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Study Reveals Wildfire Smoke Reverses Ozone Progress Since 2015The research team, led by Weizhi Deng and colleagues, analyzed satellite data, EPA monitoring records, and meteorological inputs with deep‑learning models. They discovered that the United States shifted from a decline of 0.65 ppb per year in ground‑level ozone before 2015 to an increase of 0.13 ppb per year afterward, effectively erasing a decade of air‑quality gains.Quantifying the Ozone Trend Reversal and Associated MortalityOzone trend change: from -0.65 ppb/yr to +0.13 ppb/yr after 2015.Estimated excess premature deaths: 318 deaths per year in the U.S. since 2013.Global projections: up to 1.4 million annual deaths worldwide by 2100 if wildfire emissions continue unchecked.U.S. forecast: > 70,000 premature deaths per year by 2050 at current fire rates.Implications for US Air Quality Policy and Public HealthThe findings expose a critical gap in current regulatory strategies that focus on reducing anthropogenic ozone precursors from cars, refineries, and industry. Even as those emissions fall, wildfire‑derived carbon monoxide and other gases fuel ozone formation, causing surface ozone levels to plateau. With EPA monitoring stations covering only about 2% of continental U.S. land, the study underscores the need for broader observation networks and integrated climate‑fire‑air‑quality policies.Future Outlook: Climate‑Driven Fires Threaten Air Quality GainsContinued global warming is expected to intensify fire frequency and severity, especially in the western United States and Canada. Mitigation measures—both climate‑change mitigation and proactive fire‑prevention—are essential to restore the downward trajectory of ozone and protect public health. Without decisive action, the United States risks losing decades of progress in air‑quality standards and facing escalating health costs linked to ozone and particulate‑matter exposure.

The Climate Policy Reversal in Blue States Democratic-led states are eroding their climate policies, as red states are scaling up their clean energy deployment. California on Friday scaled back its cap-and-invest program, offering more than $3bn in free pollution allowances to polluting companies. Earlier the same week, New York weakened its groundbreaking climate law, delaying a plan to regulate carbon from 2024 until 2028 and reducing emissions-slashing targets. Rhode Island's governor, meanwhile, is attempting to roll back aggressive clean-energy programs. The Economic Justification vs. Climate Imperative The moves come as Donald Trump's administration withdraws clean energy incentives and energy savings programs, and as energy prices spike across the country amid trade disruptions stemming from the US-Israeli war on Iran. Proponents have said the changes are necessary to suppress electricity costs, but climate advocates say that view is short-sighted and misguided. "Using affordability as a cudgel to weaken climate policy is a major error that will not solve either crisis, ultimately amplifying both," said Johanna Bozuwa, executive director of the Climate and Community Institute, a left-leaning thinktank. "Extreme weather and fossil-fuel dependency directly inflate costs – for food, energy, transportation, housing, and health – across the economy for working people." American Public Opinion on Climate Change Polls show most Americans are concerned about the climate crisis. An annual poll from Gallup, published in April, shows that 44% of American adults say they worry "a great deal" about global warming – one of the highest levels of concern since 1989, when the poll was first conducted, behind only 2020 and 2017. About 65% of registered voters in the US also think global heating is driving up the cost of living, according to a report published in December by Yale University and George Mason University. Red States Lead Clean Energy Buildout In contrast to many Democratic-led jurisdictions, red states have tended to dominate renewable energy deployment in recent years. In terms of growth of utility-scale renewables, states that voted for Donald Trump in the 2024 presidential election made up eight of the top 10 in the year to March, according to Energy Information Administration data. Indiana tops the list of states with the most clean energy capacity growth in that timeframe, followed by Kentucky and Utah. More broadly, though, it is Texas that has emerged as the country's leading clean energy superpower, despite its strong ties to the oil and gas industry and unsuccessful attempts within the Republican-led legislature to curb the growth of wind and solar. Texas leads the country in wind energy production, followed by fellow red states Iowa, Oklahoma and Kansas, and in March overtook California in utility-scale solar, too. The Paradox of Climate Leadership Meanwhile, the states scaling back their emissions-cutting policies have long called themselves climate leaders. When Governor Gavin Newsom of California extended his state's cap-and-invest program last year, he said: "We're doubling down on our best tool to combat Trump's assaults on clean air … by making polluters pay for projects that support our most impacted communities." The changes could end up giving more money to the fossil fuel producers and distributors who have been increasing consumers' energy prices amid the Iran war, said Bahram Fazeli, Policy Director with Communities for a Better Environment, a grassroots organization in California. "There's no reason to think that giving them more free allowances will actually help motivate them to lower gas prices more," he said. Long-Term Economic Implications New York advocates are also skeptical about whether the weakening of the 2019 Climate Leadership and Community Protection Act – which the state touted as among the strongest climate laws the country – will deliver long-term benefits. The state legislature last week reached a deal with Governor Kathy Hochul to remove a 2030 mandate to cut planet-warming pollution by 40% from 1990 levels, instead including language to aim for a 60% by 2040 if it is "feasible and cost effective" to do so. "Even though you might see bill savings initially, that's going to come at the cost of locked-in, higher energy costs in the future, as the grid has to procure more energy that would otherwise have been saved," Anna Johnson, a senior policy manager State at American Council for an Energy-Efficient Economy, told Baltimore's NPR affiliate WYPR; she estimates that the moves could ultimately increase households' electricity costs by $592m. The True Cost of Inaction The climate crisis itself also costs for working people, said Mar Zepeda Salazar, legislative director of the national environmental justice coalition Climate Justice Alliance. "You can lower costs on paper by weakening protections, but the bill still comes due," she said. "It just shows up in emergency rooms, insurance premiums, utility bills, lost wages, and disaster recovery – that families pay, not industry."

A New Vision for Global ProsperityIn our increasingly dystopian world, the World Justice Report offers a utopian antidote by outlining how to build a prosperous, equitable world within safe planetary boundaries. This ambitious plan from the modern eco-socialist left presents a comprehensive vision for the future that could see the majority of people working less and earning more by the end of the century while keeping temperatures down and avoiding much of the current destruction of nature.The Core Principles of the Justice ReportThe report incorporates important concepts of "sufficiency" and "planetary habitability," addressing the fundamental question of how to reduce the material impact of economic activity—a topic long ignored by the traditional left. By widening the definition of prosperity and emphasizing "sufficiency," the report demonstrates that quality of life is more valuable than quantity of material goods, echoing ancient philosophies of a "golden mean" and Bhutan's concept of "gross national happiness."Challenging Economic OrthodoxyThomas Piketty, one of the coordinators of the report, argues that the ambition of the mega-rich has become unrealistic and undesirable. "Their new dream is to cover the entire planet with data centres," Piketty states, "This is their economic project for the world. But everybody can see that this is just going to increase the material footprint of our economy, that this is going to make global warming even worse."The Alternative to Techno-ExtractivismThe report stands in stark contrast to the far-right techno-extractivist vision currently being championed by the US president and his supporters in Silicon Valley, who are putting artificial intelligence ahead of renewable technology. In the quest for "energy dominance," the US is using tariffs and military power to widen markets for oil, gas and coal—a strategy that drives the world toward catastrophic levels of global heating and inequality.Bridging the Climate Science GapThe report fills a significant hole that has existed since the inception of the global climate science infrastructure in the 1990s. Robert Watson, a former chair of the UN Intergovernmental Panel on Climate Change, noted that if he could go back in time, he would have added more social scientists to the climate discussion. The "pure scientists" from physics and chemistry initially believed data alone would persuade governments to act, but later wished they had taken more account of social dynamics, economics, politics and psychology.Overcoming the Green Growth IllusionThe report challenges what Piketty calls the "illusion of classless ecology" or the "green growth illusion" that everything will be solved by producing more without worrying about distribution, sufficiency, or structural transformation. This illusion, he argues, has made green policy unpopular for many lower and middle-income voters by ignoring the social dimensions of climate action.The Path to Cultural Transformation"Sufficiency does not mean degrowth," explains Cornelia Mohren, Environmental Coordinator of the World Inequality Lab. "It is about less working hours, a different composition of consumption, and more health and education." The authors emphasize that they don't want to force people to change their lifestyles but rather initiate a cultural shift in how society perceives the good life.A Future Forged in CrisisPiketty acknowledges that crises are inevitable but argues it's important to initiate debates now so that alternatives are already in people's minds and will become more palatable in the future. "People need to get accustomed to the fact that big change will happen in any case," he states. "We are not in a situation where things can just continue as they are forever." The report remains open for suggestions and revisions, inviting global participation in shaping this alternative vision for our shared future.

Executive Summary: A Climate Alarm Bell RingsThe UN has issued a stark warning that El Niño is likely to re‑emerge this year, bringing a wave of super‑charged weather extremes. With an 80% probability of formation before September and a 90% chance of lasting until November, the pattern threatens to amplify global warming, disrupt food supplies and intensify floods and droughts.UN and WMO Forecast an Imminent El Niño DevelopmentThe World Meteorological Organization (WMO) released its latest outlook on Tuesday, noting that most climate models project the return of the cyclical phenomenon at “at least moderate” strength, with some indicating a potentially strong event. Scientists caution it could become the strongest El Niño of the 21st century.Formation window: before September 2026Persistence window: through November 2026Strength: moderate to strong, possibly the strongest this centuryKey Numbers: Probabilities, Temperatures and Regional ImpactsThe WMO’s quantitative outlook highlights:80% chance of El Niño onset before September90% chance it will continue into NovemberUnusually high temperatures forecast for nearly all regions over the next three monthsIncreased likelihood of extreme rain in South America, the southern US, the Horn of Africa and Central AsiaDrier conditions expected in Central America, the Caribbean, Australia, Indonesia and parts of South AsiaWhy This Matters: Global Climate, Food Security and Economic RisksEl Niño acts as a “fuel‑on‑the‑fire” for a warming planet, according to António Guterres, UN Secretary‑General. The pattern can:Push global temperatures higher, contributing to record‑breaking heat years (2024 already set new highs)Exacerbate droughts that strain water supplies and agricultural yieldsTrigger severe flooding and landslides, as seen in Tanzania’s April 2024 rainsInfluence hurricane formation—enhancing storms in the central/eastern Pacific while suppressing them in the AtlanticExperts like Gareth Redmond‑King of the Energy & Climate Intelligence Unit warn that the looming El Niño could jeopardise already fragile food systems, especially as fertilizer supplies are constrained by geopolitical conflicts.Looking Ahead: 2027 and the Next Decade of Climate RiskThe UN stresses that the most severe impacts may materialise in 2027, when El Niño could drive the hottest year on record. Preparing now means:Accelerating the transition away from fossil fuelsScaling renewable‑energy deploymentStrengthening early‑warning systems for vulnerable communitiesImplementing climate‑resilient agricultural practicesFailure to act could lock in a trajectory of escalating heat, water scarcity and food insecurity for the coming decade.

Executive Summary: The Human Cost of Record-Breaking Temperatures Delhi is currently experiencing its warmest May night in 14 years, with top daytime readings consistently reaching 43°C. While most residents retreat indoors, Shahida and her family of 10 are forced to endure these conditions on the pavement, highlighting a critical gap in climate resilience. Surviving Under the Concrete: Daily Life in the Heat Shahida and her family have made the concrete structure of a flyover their only refuge after repeated attempts to rebuild shanties were met with demolition. Living in a pink mosquito-netting tent, the family faces a constant barrage of traffic noise and the suffocating heat trapped beneath the overpass. Shahida describes the daily struggle of waking at 6am to prepare for the day, constantly alert to the smallest sounds due to the danger of sleeping on the street. The family’s routine involves waking early, securing a safer space, and managing limited resources like water and milk, which spoil quickly in the extreme temperatures. Quantifying the Danger: Heatwaves and Homeless Mortality The physical toll of the heat is severe and quantifiable. During last summer’s heatwave, 192 homeless people died over a nine-day period. Currently, minimum temperatures hover around 32.4°C (90.3°F), making it difficult for the homeless to find relief even at night. Shahida’s specific challenges include the difficulty of breastfeeding her nine-month-old daughter, Jannat, due to the heat, and the prohibitive cost of cold drinking water, which can cost nearly 20 rupees (16p) per litre. The Climate Inequality Gap Experts emphasize that homelessness creates a compounding vulnerability to climate extremes. Chandni Singh, a lead author with the Intergovernmental Panel on Climate Change (IPCC), notes that homeless individuals face not just exposure to heat, but also unreliable access to food, water, and healthcare—essential factors for adaptation. Shahida’s story underscores the systemic failure to protect the most marginalized populations from the escalating impacts of global warming. Future Outlook: Urban Heat Islands and Vulnerable Populations As climate change intensifies, urban heat islands like Delhi will become increasingly dangerous. The lack of infrastructure to support the homeless population means that as temperatures rise, the mortality rate among the homeless is likely to follow suit. Future urban planning and climate adaptation strategies must prioritize the most vulnerable, ensuring that basic survival resources are accessible during extreme weather events.

The Power of Natural Habitats in Climate Change Mitigation In 2019, a scientific paper published in the journal Science stated that natural forest restoration was the 'best climate change solution' available. This statement sparked controversy, with some arguing that reducing greenhouse gas emissions was the most urgent priority. Understanding Feedback Loops in Nature Feedback loops are processes where the outcome amplifies or dampens the process itself. In the context of climate change, human activities have initiated new feedback loops that exacerbate global warming. However, by understanding and working with nature's feedback loops, we can harness their potential for environmental recovery. Successful Examples of Nature-Based Solutions Examples from around the world illustrate the effectiveness of nature-based solutions. In Argentina's Iberá national park, the reintroduction of jaguars has led to a revival of the local ecosystem, reducing herds of grazing herbivores and allowing wetland plants to recover. This, in turn, has created a 'restoration economy' through ecotourism, employing local people and providing a sustainable incentive for environmental protection. The Importance of Community Engagement The article emphasizes that the success of nature-based solutions depends on improving the livelihoods and wellbeing of local people. When communities are intrinsically motivated to protect their environment, they become an integral part of a natural feedback loop that can drive sustainable change. A Call to Action The author argues that we do not need revolutionary innovation or significant sacrifice to address climate change. Instead, we need to allocate a small fraction of our collective attention and wealth to support rural land stewards and nature restoration efforts. This can have a significant impact, not only in terms of carbon capture but also in reviving hope, joy, and inspiration.

The UK's Historic Heatwave: Record May TemperaturesEngland, Wales and Northern Ireland recorded their highest temperatures of 2026 on Sunday, which was also the UK's hottest May day for at least 79 years. Kew Gardens in west London recorded 32.3C (90.1F), Cardiff 27.4C and Armagh 23.4C, while Scotland reached 23.5C in Edinburgh, just 0.1C below the record set in Aboyne on 1 May.Temperature Records Across the NationThe first area of the UK to hit the heatwave threshold was Santon Downham in Suffolk, which reached the criteria of recording temperatures of more than 27C for three consecutive days at 11.30am on Sunday. Other areas officially in heatwave conditions include Heathrow, Kew Gardens and Northolt in London, Benson in Oxfordshire, Brooms Barn in Suffolk, and High Beach and Writtle in Essex.Saturday was the UK's first 30C day of the year, the earliest date that temperature has been reached since 1952. This marks a significant shift in seasonal temperature patterns across the country.Climate Science: The Connection to Global WarmingThe climate crisis is increasing the likelihood of extreme heat events. A Met Office spokesperson stated: "Breaking the 32.8C May record is around three times more likely now in our current climate than it would have been in natural climate conditions before the Industrial Revolution. What was around a one-in-100-year event is now around a one-in-33-year event."Large parts of western Europe are experiencing similar temperature peaks, with the French national weather agency, Météo-France, noting that periods of exceptional heat are to be expected "more and more often and more and more prematurely, and to be more and more intense."Social and Practical Impacts of the HeatwaveAs temperatures soared, sunbathers flocked to beaches across the UK, and Lord's cricket ground relaxed its strict dress code for its members' pavilion. The Marylebone Cricket Club usually requires spectators there to wear lounge suits or tailored jackets and ties, but made exceptions during the extreme heat.Sports events also adapted to the conditions, with drinks breaks introduced at the League One playoff final between Bolton Wanderers and Stockport County at Wembley and during Premier League games as the top-flight football season concluded.However, the heatwave also caused practical problems, with people living in three villages in Kent experiencing no water or low pressure for a second day. The affected areas were Charing, Challock and Molash near Ashford, where South East Water reported supply problems related to pumping station issues.Health Alerts and Future Temperature ExpectationsThe UK Health Security Agency (UKHSA) issued amber heat alerts for multiple regions including the East Midlands, the West Midlands, the east of England, London and the south-east. These alerts will remain in place until 5pm on Wednesday, meaning "an increase in risk to health for individuals aged over 65 years or those with pre-existing health conditions, including respiratory and cardiovascular diseases."Temperatures could rise again on Monday, with possible highs of between 33C and 34C, potentially breaking more records and extending the duration of this exceptional heat event. Authorities continue to advise caution around open bodies of water and to stay hydrated during the prolonged period of high temperatures.

Record Numbers Face Extreme Heat in MeccaMore than 1.5 million Muslim pilgrims have gathered in Mecca, enduring extreme temperatures as they prepare for the annual Hajj pilgrimage. The faithful are facing one of the hottest Hajj seasons on record, with temperatures soaring above 45°C (113°F) in some areas.The Pilgrimage Amid Record TemperaturesThe Hajj, one of Islam's five pillars and mandatory for able-bodied Muslims at least once in their lifetime, is taking place under extraordinary heat conditions. Pilgrims are performing the Tawaf, the circumambulation of the Kaaba, and other rituals while dealing with the intense Meccan heat. Saudi authorities have implemented measures to protect pilgrims, including misting fans, expanded shade structures, and extended operating hours for public transportation.Health Challenges and Safety MeasuresThe extreme temperatures have led to health concerns, with reports of heat-related illnesses among pilgrims. Saudi health authorities have reported hundreds of cases of heat exhaustion and dehydration. Emergency medical teams have been deployed at key sites, with field hospitals established to handle the influx of patients. The Saudi government has also issued public health advisories, urging pilgrims to stay hydrated, avoid peak sun hours, and wear appropriate clothing.Economic Impact on Saudi ArabiaThe Hajj generates significant economic activity for Saudi Arabia, with an estimated $12 billion in annual revenue from the pilgrimage. The influx of pilgrims supports various sectors including hospitality, transportation, retail, and religious services. This year's Hajj comes as Saudi Arabia continues its Vision 2030 development plan, which aims to diversify the economy beyond oil and increase religious tourism.Climate Challenges for Future PilgrimagesClimate change is increasingly affecting the Hajj experience, with rising temperatures in Mecca posing long-term challenges. Scientists predict that without significant mitigation measures, temperatures during Hajj could become life-threatening within decades. Saudi Arabia is exploring technological solutions, including climate-controlled facilities and alternative scheduling, to ensure the pilgrimage's sustainability in the face of global warming.Global Significance and Religious ObservanceThe Hajj represents one of the largest annual human gatherings worldwide, symbolizing unity among Muslims from diverse backgrounds and nationalities. Despite the challenging conditions, pilgrims expressed determination to complete their religious obligations, describing the experience as spiritually transformative. The event underscores the intersection of religious tradition and environmental challenges in the 21st century.

The Lead: One Nation's Standalone Climate Denial As the populist right-wing One Nation party gains momentum in Australian polls, it maintains a firm stance against decades of climate science evidence showing the planet and Australia are warming. The party claims to be the only political force in Australia questioning climate science, but experts say this position is not only scientifically baseless but increasingly out of step with global trends in climate misinformation. The Event Details: One Nation's Climate Contradictions One Nation's position on climate change is rooted in denial and conspiracy theories, despite overwhelming scientific evidence. The party's energy and climate policies have previously been literal cut-and-pastes from the now-defunct climate denial group the Galileo Movement. Currently, One Nation rejects the scientific consensus that the planet and Australia are warming, claiming extreme weather was more prevalent before 1960—a position climate scientists have compared to believing the Earth is flat. The party also wants Australia to leave the Paris Agreement and would push to close down the federal climate change department "and all related agencies, regulations and programs." They proudly declare: "We are the only political party to question climate science." The Data Analysis: Australia's Unequivocal Warming Trend Despite One Nation's claims, Australia has experienced significant warming since 1910. The Bureau of Meteorology's official long-term climate dataset shows Australia has warmed by 1.5°C since 1910. Temperature readings before this period are not included in the official dataset because they were often taken with non-standardized equipment, making them less reliable. Research into pre-1910 temperature records shows temperatures from 1860 to 1909 were similar to those from 1910 to 1959. Since 1960, both maximum and minimum temperatures have risen significantly. The independent Berkeley Earth group's analysis of historical temperature data confirms Australia has warmed substantially since the 1880s. One Nation points to a single weather station in Newcastle (Nobby's) to claim no pattern of warming exists—a classic example of cherry-picking data while ignoring the broader evidence showing temperatures are warming across Australia. The Impact Analysis: Political Consequences of Climate Denial One Nation's climate denial positions have significant political implications in Australia. Research from CSIRO a decade ago suggested that views on climate change can be influenced by how a person votes, rather than the other way around. This means votes for One Nation could lead more people to reject established climate science. Dr. John Cook, an expert on climate science denial, notes that One Nation is "not only out of touch with the scientific evidence, they're even out of touch with the rest of the climate denial community." Over the past decade, climate misinformation has transitioned from science denial to attacking climate solutions, as the scientific evidence for human-caused global warming has become undeniable. Prof. Sarah Perkins-Kirkpatrick, a climate scientist at Australian National University, emphasizes: "There's a wealth of evidence that extreme heat events are increasing worldwide since the 1950s. We see increased intensity of droughts and heatwaves and the intensity of tropical cyclones is increasing." The Prediction: Future of Climate Politics in Australia As climate impacts worsen in Australia—with more frequent and intense heatwaves, bushfires, and extreme weather events—One Nation's climate denial stance may become increasingly untenable politically. The party's net zero conspiracies, including claims that climate action is part of a plot to create a "socialist Australia," are based on misinformation and misrepresentations of statements by figures like former World Economic Forum chair Klaus Schwab. One Nation's assertions that renewable energy is causing electricity price increases are also contradicted by experts. Research from CSIRO suggests that if 82% of Australia's electricity came from renewables backed by storage, the cost of generation would be a third less than current prices. The real drivers of rising electricity costs are aging infrastructure and rising international gas prices, not the transition to renewables. As Australia faces increasing climate impacts, political parties that reject established climate science may find themselves increasingly isolated, both scientifically and politically. The future of Australian climate politics may depend on how mainstream parties respond to One Nation's misinformation and whether they can effectively communicate the scientific consensus on climate change.