Limiting Warming to 1.5° Celsius Will Require Drastic Action, IPCC Says
Humanity has a limited window to avoid the more dire effects of climate change, according to a new climate report
Stories by Jeff Tollefson
Climate Change Has Doubled the Frequency of Ocean Heat Waves
Extreme heat events wreak havoc on marine ecosystems and will only get worse in coming decades
Industry Trumps Peer-Reviewed Science at EPA
Critics outraged over changes to chemical-safety review guidelines
Science under Siege: Behind the Scenes at Trump's Troubled Environment Agency
Uncertainty, hostility and irrelevance are now part of daily life for scientists at the U.S. Environmental Protection Agency
Deforestation Ticks Up in Brazil's Savanna
The Cerrado is the most threatened biome in Brazil, environmentalists proclaim
EPA Science Advisors Question "Secret Science" Rule on Data Transparency
Independent board will review agency decisions to repeal or change climate regulations and rules on the use of non-public data
U.S. Environmental Group Wins Millions to Develop Methane-Monitoring Satellite
The Environmental Defense Fund is working with researchers at Harvard University on the probe
Latest U.S. Weather Satellite Highlights Forecasting Challenges
Researchers begin to tackle the technical obstacles to incorporate observations from space into weather models
Trump Budget Gives Last-Minute Reprieve to Science Funding
Funding for the National Science Foundation and National Institutes of Health would hold steady after Congress agrees to lift spending caps, but details are fuzzy
China Declared World's Largest Producer of Scientific Articles
International competition is increasing, but the United States remains a scientific powerhouse
Climate Scientists Unlock the Secrets of Blue Carbon
Results from a soil survey could bolster efforts to monitor and protect wetlands around the globe
U.S. Government Report Says Climate Change Is Real, and Humans Are to Blame
Conclusions of climate-change science analysis are at odds with U.S. President Donald Trump's policies
Controversial Chairman of U.S. House Science Committee to Retire
Representative Lamar Smith, a Republican from Texas, will not run for re-election in 2018
EPA to Bar Scientists It Funds from Serving on Advisory Boards
The U.S. Environmental Protection Agency says the policy would address potential conflicts of interest, but scientists raise alarms
Trump Picks Weather Company Chief to Lead Climate Agency
Barry Myers would bring private weather forecasting experience to the National Oceanic and Atmospheric Administration
Limiting Global Warming to 1.5 Degrees Celsius May Still Be Possible
Analysis suggests researchers may have underestimated how much carbon humanity can emit, although critics disagree
U.S. Energy Agency Asked Scientists to Scrub References to Climate Change
Researchers were told to censor descriptions of projects funded by a Department of Energy laboratory
U.S. Science Envoy Resigns to Protest Trump Policies
Energy researcher Daniel Kammen faults president's positions on climate change, energy and his failure to condemn white supremacists
U.S. Government Disbands Climate-Science Advisory Committee
Panel sought to help businesses and state and local governments prepare for effects of warming
California Scientists Push to Create Massive Climate Research Program
Effort backed by the state’s flagship universities comes as US President Donald Trump shrugs off global warming