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Immediate, drastic action is needed to keep global warming under 2 °C, according to United Nations report.

The next US president could lead the country into meaningful action on controlling greenhousegas emissions, but only if he, or she, can seize the moment. Jeff Tollefson reports.

Coal gets cold shoulder as utilities anticipate carbon legislation.

Lawsuit alleges that the federal government has violated citizens’ rights by promoting and enabling fossil-fuel development.

In the wake of Hurricane Sandy, scientists and officials are trying to protect the largest US city from future floods.

As Brazil debates relaxing its strong forestry laws, Nature Climate Change discusses the implications with Amazon ecologist Thomas Lovejoy, professor of environmental science at George Mason University and Biodiversity Chair at the Heinz Center in Washington DC.

Agreement forged in Paris aims to hold warming ‘well below’ 2 °C.

Analysis suggests country-level commitments are a bridge to an international treaty. 

Use of heat-trapping hydrofluorocarbons to be cut sharply under ozone treaty.

Seven charts show the remarkable growth in renewable power and the challenges to ending the fossil-fuel age.

If the next climate treaty tackles deforestation, tropical nations will need to monitor the biomass of their forests. One ecologist has worked out a way to do that from the sky, finds Jeff Tollefson.

A series of graphics reveals how the Trump administration has sought historic cuts to science and the research workforce.

What challenges lie ahead as the United States tries to construct a working system for greenhouse-gas regulation? Jeff Tollefson reports.

Researchers are tracking just how much impact ancient peoples had on the Amazon.

What do researchers do at the United Nations climate talks, and why do they bother?

The outlook has brightened for federal science budgets, but political appointees are likely to have a big say in how that funding is spent.

Lawmakers have announced legislation that would increase funding for basic research by more than 2%.

China burns more coal than any other country; how it does so in the future will determine our planet's climate. Jeff Tollefson reports from Beijing.

Ten people who mattered this year.

Many climate researchers worry that scepticism about global warming is on the rise. Jeff Tollefson investigates the basis for that concern and what scientists are doing about it.

Brazil has waged a successful war on tropical deforestation, and other countries are trying to follow its lead. But victory remains fragile.

The United Nations Climate Change Conference is mainly a political affair but it has drawn hundreds of scientists to the Danish capital. Jeff Tollefson finds out what they hope to gain.

Hydrogen fuel-cell vehicles, largely forgotten as attention turned to biofuels and batteries, are staging a comeback. Jeff Tollefson investigates.

It represents half of the world's rainforest and is home to one-third of Earth's species, yet the Amazon has one of the highest rates of deforestation. Jeff Tollefson looks at efforts to curb the problem.

As all eyes turn to Poland for the start of the United Nations meeting next week, Jeff Tollefson looks at what progress is likely to be made.

The international treaty drawn up to tackle ozone-destroying substances is gearing up to curb greenhouse gases. Jeff Tollefson reports.

To control emissions, countries must first account accurately for their carbon. That will take considerable effort, reports Jeff Tollefson.

In the third of a series of articles examining nuclear issues, Jeff Tollefson looks at options for fuelling a global boom in nuclear power stations without enabling nuclear proliferation.

Emissions targets, clean-energy projects and calls for justice are multiplying, reports Jeff Tollefson.

Booming mineral prices leave car makers scrambling to eke more catalytic performance out of precious metals. Jeff Tollefson reports.

Scientists and policy-makers will meet in Bonn this June to discuss one of the most pressing concerns to come out of December's United Nations climate meeting — how to manage the world's tropical forests. Jeff Tollefson examines some of the proposals.

With their focus on greenhouse gases, atmospheric scientists have largely overlooked lowly soot particles. But black carbon is now a hot topic among researchers and politicians. Jeff Tollefson investigates.

A trail-blazing astronomer, a climate revolutionary and a transplant pioneer are some of the people behind this year’s big stories.

A new generation of lithium-ion batteries, coupled with rising oil prices and the need to address climate change, has sparked a global race to electrify transportation. Jeff Tollefson investigates.

Government researchers are heading back to work, but questions about the size of research-budget cuts will extend into next year.

How the Trump administration caused seismic disruptions to the world’s premier scientific superpower.

Global-warming concerns halt construction of power stations.

Some 80 heads of state gathered in New York City on Monday to discuss climate change. News@nature.com checks on their progress.

An Omicron investigator, a Mars explorer and an AI ethics pioneer are some of the people behind the year’s big research stories.

Authors welcome ‘serious’ scientific rebuttal, while researchers say report misrepresents decades of climate science.

Picks include a quantum pioneer, a co-discoverer of Ebola and a bioethicist-turned-activist.

Picks include a rogue gene-editor, a wunderkind physicist and a DNA detective who helped catch a serial killer.

Governments and companies are investing billions of dollars in efforts to remove greenhouse gases from the atmosphere, but will it pay off?

More than ever, nations are powering themselves from abundant supplies of fossil fuels.

Neil Shubin, a University of Chicago researcher known for co-discovering a ′missing link’ fossil fish, will lead the National Academy of Sciences if the decision is ratified by members.

With its plentiful sun, water and land, Brazil is quickly surpassing other countries in food production and exports. But can it continue to make agricultural gains without destroying the Amazon? Jeff Tollefson reports from Brazil.

Decision paves the way for climate regulation by the Obama administration.

COP30 negotiated efforts to protect forests and ramp up financial packages for climate action, but with one glaring omission: a road map to cut fossil fuels.