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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 Misguided 'Green Datacentres' Policy A Scottish government policy aimed at attracting datacentres to build in Scotland has been criticized for ignoring the emissions impact of AI developments. The policy, which encourages 'green datacentres', lacks a clear definition of what constitutes a 'green datacentre', potentially allowing developers to claim their projects are environmentally friendly despite significant emissions. The Problem with Unclear Definitions The Scottish charity Action to Protect Rural Scotland (APRS) has raised concerns that the policy's lack of clarity could lead to developers receiving favourable treatment from local authorities, even if their projects have substantial emissions. APRS found that a datacentre in Edinburgh was able to argue it was a 'green datacentre' despite including 200 diesel backup generators, equivalent to 100,000 idling cars. The Data Analysis More than a dozen datacentres in Scotland are in the process of getting planning permission, including an AI growth zone in Lanarkshire, near Glasgow, which claims to be backed by £8.2bn in private investment. Collectively, they stand to use roughly 6.2GW of power – one-and-a-half times more than the peak power use of all of Scotland in the winter. The Impact Analysis The APRS has criticized the Scottish government's approach, saying that the underlying analysis used to support the policy was done in 2022, before the release of ChatGPT, and has not been updated since. This analysis concluded that any increase in emissions caused by datacentre use would be counterbalanced by a decrease in emissions as people travelled less, but it does not take into account the development of AI or its potentially massive energy consumption. The Prediction As the demand for datacentres continues to grow, driven in part by the development of AI, Scotland's policy on 'green datacentres' is likely to face increasing scrutiny. With more than 100 datacentre projects requesting gas connections, indicating they plan to burn gas to power themselves, the UK's climate goals may be at risk. The Scottish government will need to revisit its policy and provide clearer definitions and guidelines for what constitutes a 'green datacentre' to ensure that its ambitions for economic growth align with its net zero ambitions.

The Shift in BHP's Climate Strategy BHP, the world's largest miner, has been a significant player in the global mining industry. However, recent internal documents leaked to the Guardian and the ABC's Four Corners program have revealed that the company is backtracking on its climate action plans. The Leaked Documents The leaked documents, dubbed the BHP files, show that the company has halted or delayed several key projects aimed at reducing emissions. These projects include: A 50-megawatt solar farm and 20MW battery at its Jimblebar mine, which was effectively shelved soon after being approved and funded by the board in mid-2023. A huge system of almost 500MW solar, wind and battery that could power a small city, which has been significantly delayed and will not progress in its current form until 2031 at the earliest. An iron ore processing plant that could have prevented 1.7m tonnes of emissions a year, which was dumped despite being described as 'well-aligned' with its climate transition action plan. The Impact on Climate Goals BHP's decision to backtrack on its climate action plans has raised concerns among experts and environmental groups. The company's failure to urgently decarbonize could put national climate targets, including a 43% cut below 2005 levels by 2030, in doubt. The Future Outlook BHP has stated that it is still focused on its emissions reductions goals and has reduced emissions by 36% on 2020 levels. However, experts argue that the company's actions are not in line with its public commitments, and it needs to take more drastic measures to achieve its climate goals.

BHP Acknowledges Delay in WA Iron‑Ore Decarbonisation PlanA senior BHP executive admitted that the company’s push to cut emissions in Western Australia has been postponed. Tim Day, head of BHP’s WA iron‑ore operations, cited slow progress in electric trucking and rail technology as the main obstacle to replacing diesel, the biggest source of the mine’s emissions.Emission Reduction Targets and Financial Incentives1.7m tonnes of CO₂ could have been avoided each year by a scrapped iron‑ore processing plant – roughly the impact of 350,000 cars.BHP’s internal memo notes a “low probability of success” for its net‑zero by 2050 goal, despite a 36% drop in global emissions driven largely by projects outside Australia.The company received $622m in diesel tax concessions from the federal government, while paying under $9m for excess emissions under the safeguard mechanism last year.Implications for Australia’s Climate Goals and Mining LicenceThe slowdown threatens Australia’s national emissions‑reduction targets, as BHP’s WA operations remain a major diesel‑intensive source. Internal documents stress that rapid decarbonisation is “effectively underpins [WA iron ore’s] licence to operate, sustain and grow.” Premier Roger Cook warned that big miners have an “important moral obligation” to decarbonise, linking climate action to the social licence to operate.Future Outlook for BHP’s Net‑Zero RoadmapInternal scenarios consider initiating a transition as late as 2035 or 2040, highlighting the risk of reputational damage and potential derailment of the net‑zero pledge. Analysts note that BHP has done little to curb emissions from its Australian assets, suggesting that without stronger policy pressure or a shift in government subsidies, the company may continue to rely on diesel‑fuelled haulage for years to come.

The Disappearance of Indonesia's 'Eternity Glaciers' An expedition to document the end days of the last tropical glaciers in Oceania has revealed sombre footage of “planetary destruction on fast-forward”. The State of Puncak Jaya's Glaciers The once-mighty ice sheets on Puncak Jaya, a mountain surrounded by dense rainforests in West Papua, Indonesia, have survived beyond projections they would disappear by 2026 but have shrunk to a fraction of their original size. The most significant of the two remaining glaciers, which are known locally as “eternal snow” and referred to in English as the “eternity glaciers”, has lost 95% of its area since 2002, the expedition found. The Data Behind the Disappearance Papua’s tropical glaciers lost 97% of their ice mass between 1980 and 2024, Indonesian researchers found in a study published last month. Four of its six glaciers have completely disappeared, and they project the final two will be gone by the end of the decade. 97% of ice mass lost between 1980 and 2024 4 out of 6 glaciers have completely disappeared The remaining 2 glaciers are expected to disappear by the end of the decade The Impact of Climate Change Carbon pollution and the destruction of nature has heated the planet by about 1.4C since preindustrial times, making it less hospitable to human life. Glaciers are projected to lose a quarter of their global mass by 2100, even in a best-case scenario for cutting emissions, with devastating consequences for drinking water and food security. The Future Outlook “The ice will be gone: it’s not a question of if, it’s a question of when,” said Klaus Thymann, a Danish explorer and the founder of Project Pressure, an environmental charity. “And ‘when’ is coming very, very soon.”

The LeadBHP, one of the world's largest mining companies, faces increasing scrutiny over its environmental commitments as part of The Guardian's "The BHP Files" series. The article questions whether the mining giant's sustainability initiatives match its actual operations, particularly in the context of the ongoing climate crisis.The Environmental Claims vs. RealityThe cartoon illustration by Fiona Katauskas visually represents the tension between BHP's public environmental commitments and its actual practices. The artwork suggests that despite the company's "green" branding, its core operations continue to contribute significantly to environmental degradation. This visual commentary highlights the skepticism many environmentalists feel toward large corporations' sustainability claims.The Mining Industry's Environmental ImpactBHP's operations span multiple continents and extract various resources, including coal, iron ore, copper, and petroleum. The mining industry as a whole faces significant criticism for its contribution to carbon emissions, habitat destruction, and water pollution. Despite increasing pressure from investors, regulators, and environmental groups, the pace of meaningful change in the sector remains slow.Investor and Regulatory PressureRecent years have seen growing pressure on BHP and other mining companies to address their environmental impact. Shareholder resolutions demanding stronger climate action have gained traction, while regulators in some jurisdictions have implemented stricter environmental standards. However, the company's continued investment in fossil fuel projects has raised questions about the sincerity of its environmental commitments.The Future of Sustainable MiningThe article comes at a critical time for the mining industry, which faces the dual challenge of meeting global resource demand while transitioning to more sustainable practices. BHP has announced various initiatives to reduce its carbon footprint, including investments in renewable energy and plans to reduce emissions from its operations. However, critics argue these measures are insufficient given the scale of the company's environmental impact.

The Record-Breaking Temperature The UK has recorded its highest-ever May temperature for the second consecutive day, with thermometers hitting 35C (95F) at Heathrow and Kew Gardens in London, the Met Office said. Previous Records and Weather Warnings The previous May peak of 32.8C had stood since 1922. The Met Office issued a yellow weather warning for thunderstorms across England earlier on Tuesday, with forecasters warning of isolated storms with lightning, hail, and gusty winds. Heatwave Threshold and Regional Impacts Many areas across England and Wales will reach the heatwave threshold on Tuesday, and some will have experienced such conditions for five days by Wednesday, the Met office's senior meteorologist, Becky Mitchell, said. The highest heatwave threshold in the UK at this time of year is 28C, which applies to London and areas north of the capital towards Cambridgeshire. Health and Safety Concerns An amber health warning was extended by 24 hours for several regions in England, including the south-west, south-east, London, East and West Midlands, and the west of England. Police reported two deaths over the bank holiday weekend, with a 13-year-old boy dying after getting into difficulty in a West Yorkshire reservoir. Future Outlook and Climate Context Temperatures are forecast to start to decline from the middle of the week, but it is still expected to be largely dry with sunny spells. A previous Met Office study found breaking the May record was "around three times more likely now in our current climate than it would have been in a natural climate not impacted by greenhouse gas emissions".

The Grim Reality of a Heatwave-Prone Britain If you think the temperature is uncomfortable today, let me take you to the last day of July 2052, where the rays of the climbing sun reveal a city still sweltering in the residual heat of the day before. From the air, London resembles a colossal refugee camp. Streets, gardens and parks are teeming with tents and cobbled-together shelters, within which the city’s residents have spent another uncomfortable night away from the heat traps that their houses and flats have become. After six days when the temperature peaked at about 40C, another scorcher is on the way. The Consequences of Inaction Half-hearted attempts to upgrade insulation across the country’s housing stock ran out of steam and cash decades earlier, and most homes still have few barriers to the infiltrating heat. Almost all the country’s electricity is now from renewables, which has brought the cost down, but the relentless onslaught of extreme weather has driven an ever-deepening economic depression across the world. Many now have air conditioning, but can’t afford to run it. The Data Analysis: A Future of Water Rationing and Food Shortages Water rationing across the south-east of England due to a succession of dry winters and a spring drought. Failed harvests at home in the previous two years, and massively reduced food imports, leading to the rationing of bread and other staples. Every hospital is overwhelmed as the incessant heat and humidity take their toll on vulnerable people, the old and the very young. The Impact Analysis: A Nation Unprepared The UK Climate Change Committee flagged last week in its latest report to the government that our country is not built to handle such heat and its all-pervasive ramifications. More than nine in 10 homes are not well insulated enough to keep out the heat, while by 2050 there is forecast to be a daily shortfall in water supply of 5bn litres. The Prediction: A Future of Increased Hardship Bearing in mind that we continue to pump out CO2 equivalent to the weight of 800,000 Titanics every year, and fossil fuel corporations are actively planning to expand operations, it is practically impossible for emissions reductions to happen fast enough to reduce the rate at which our world is heating. Consequently, 40C-plus mid-century heat in the UK is now baked in. We need, then, to face the fact that life in the 2050s is going to be very different from today, and act now.

Heatwaves have grown hotter and stronger as the planet has warmed, making what doctors call a "silent killer" even more dangerous. How worried should we be about heat – and how can we stay safe as the climate changes?The Human Cost of Extreme HeatHot weather kills an estimated half a million people each year. The average annual death toll is greater than that from wars or terrorism, but smaller than that from cars or air pollution.Despite this, heat is rarely listed as the cause of death. That's because extreme temperatures are largely indirect killers. Most heat victims die early from illnesses – such as heart, lung and kidney disease – that are made worse in warm weather.The Physiological Impact of Heat StressHigh heat stresses the human body, sending the heart and kidneys into overdrive as they work to keep the body cool. The added strain – particularly for those with chronic illness – can prove fatal even before heatstroke hits.There are also secondary health effects from high heat. Heatwaves lead to more accidents, dirtier air, bigger wildfires and more frequent power outages, all of which can increase the burden on health systems.The Critical Role of Nighttime TemperaturesWhen days are too hot to function and nights are not cool enough to recover, the body is unable to rest. This compounds the damage done during scorching days.In many European countries, meteorologists describe nights with temperature minimums above 20°C as "tropical", while in Spain, which is more familiar with extreme heat, they call nights above 25°C "equatorial" or "torrid". In recent years, they have informally introduced a new category for night-time temperatures above 30°C: "hellish".Identifying Vulnerable PopulationsPeople who are forced to be outdoors in scorching weather – builders, farmers, rough sleepers etc – are most likely to suffer from heat exhaustion and the heatstroke that can follow.But older people, and particularly those with underlying illnesses, make up the bulk of heat-related deaths. Women are more likely to die from heat-related causes than men. Poorer people – who are less likely to have air conditioning, well-insulated homes or access to green spaces – are also at greater risk.The Humidity FactorSweat is the body's best defence against heat, lowering internal temperatures as it evaporates. But when humidity is high and the air hot and sticky, the body struggles to cool down because sweat clings to the skin. The effect this has on perceived temperatures can be equal to several degrees, enough to spell the difference between life and death.Climate Change and Escalating HeatwavesMore than a century's worth of fossil fuel pollution has clogged the atmosphere, trapping sunlight and heating the whole planet. Average global temperatures have risen by about 1.3°C since preindustrial times – and land temperatures by even more – which has pushed the baseline higher and made punishing extremes far more common.There is also some evidence that the climate crisis is making heatwaves worse by weakening the jet stream. Scientists think this is increasing the occurrence of heat domes, which are areas of high pressure and heat that get stuck over a region for days or even weeks.The Net Effect of Rising TemperaturesCold weather kills far more people than hot weather today, even in warm regions such as sub-Saharan Africa and south Asia. But as temperatures rise, the number of deaths from heat is projected to grow much faster than the number of lives saved from milder cold. When scientists modelled this in 854 European cities, they found a net increase in temperature-related deaths under all emissions scenarios, even accounting for how people adapt.Adapting to a Hotter FutureCutting fossil fuel pollution is the biggest step that can be taken to stop heatwaves from getting even hotter, along with protecting forests and wetlands that suck carbon dioxide out of the atmosphere.Urban planners have called for cities to be redesigned so they have less concrete and fewer cars, and more parks and water. This can negate the urban heat island effect, which makes cities hotter than their rural surroundings.Buildings with air conditioning or passive cooling can bring down death tolls, as can strong healthcare systems and swift emergency warnings.The Air Conditioning DilemmaAir-conditioning units increase planet-heating emissions if the power they consume is generated by burning fossil fuels, as it mostly is today, but their pollution is falling as countries clean up their electricity grids. Some experts cite the scale of the heat-related death toll as a worthy reason to use more air conditioning – particularly for the most vulnerable groups – even if it pushes temperatures higher.This year, the UK's Climate Change Committee (CCC) recommended that air conditioning be installed in all care homes and hospitals within the next 10 years, and in all schools within 25 years.Personal Safety StrategiesThe simplest advice is to stay out of the heat: avoid going outside during the hottest parts of the day, and stay in the shade if you have to. To keep your home cool, close windows during the day and open them after dark, when outdoor temperatures fall below inside temperatures. Cover windows with blinds or curtains to block out direct sunlight.Doctors also recommend drinking water frequently, wearing loose clothing and checking on vulnerable people in your community.