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South Asia has seen a rapid expansion in rooftop solar power generation in the last two years as the region tries to cut its reliance on polluting and often-imported fossil fuels like coal, oil and gas.

The most spectacular growth has happened in Pakistan, where rooftop solar power now accounts for a , according to the Institute for Energy Economics and Financial Analysis (IEEFA), a U.S. think tank.

Other South Asian countries lag far behind.

U.S. President Donald Trump’s administration has significantly ramped up efforts to halt the federal focus on climate change, with Trump himself dismissing climate change as a “con job” to the United Nations General Assembly last month.

Yet local governments have significant powers to reduce global-warming emissions, regardless of what happens in Washington.

When prize-winning architect Francis Kéré was growing up in Burkina Faso he spent his schooldays in a gloomy classroom that was so stifling he says it would have been better suited to making bread than educating children.

Years later, while studying abroad, Kéré returned to his home village to build a light and airy school where children could learn in comfort despite temperatures that can hit 45 degrees Celsius (113 F).

London introduced congestion pricing over 20 years ago to tackle some of the world’s worst traffic. Today, on average, drivers still spend 101 hours a year stuck in gridlock – so why is the once-controversial £15 daily charge more popular than ever?

While the charge hasn’t eliminated congestion, and it’s made an expensive city even more expensive, it has quietly transformed London in other ways: funnelling over £2.6 billion into public transport improvements and reducing air pollution.

A U.S. Supreme Court decision upending a foundational environmental law is already affecting pending cases and will make it harder to require that federal agencies take into account climate impacts in regulated projects, attorneys say.

At issue is the (NEPA), which became law in 1970 and has since shaped how regulatory decisions get made for major or sensitive projects.

Cities are where the climate and nature crises will be won or lost. Home to nearly two-thirds of the global population and generating almost three-quarters of greenhouse gas emissions, cities are pivotal to climate action.

When COP30 in the Brazilian city of Belém this November, it must elevate cities from the margins to the center of global climate negotiations. After all, cities are not only engines of decarbonization and hubs of innovation—they are also the frontline of climate resilience.

Using a to control air pollution can help developing countries such as India where the standard approach of limiting the emissions with policy making is falling short, a new study has found.

Air pollution is one of the most pressing health issues in India, where the country’s 1.4 billion people breathe air exceeding the World Health Organisation’s guidelines for particulate matter (PM).

Clean air is a fundamental right, not a privilege. Yet as the World Health Organization’s on air pollution and health opens in Cartagena, Colombia, millions of people globally are breathing toxic air with devastating health consequences.

There are many ways to counter this: cut air pollution at the source, nurture nature’s ability to clean the air, and pump government investment into national health systems. As doctors, we know where we need to get to, and we have just to get there.

Despite the underwhelming outcomes from the COP29 climate talks in Baku, multilateralism remains the most critical tool we have for addressing climate breakdown.

The Paris Agreement to limit global warming was a tremendous achievement, and, as we enter its 10th anniversary year, we must redouble our efforts to achieve its goals.

What Auden Schendler calls the “Dr. Seuss machine” in his garage not only safeguards his home from the power outages that regularly strike his neighbours in the Colorado mountains, but in his view also helps others in his community and beyond.

“We have mudslides, fires, stores, ice storms, and the power goes down. But not my power,” Schendler, 53, told Context.