NASA Scientists Created a Super-Hot Exoplanet Atmosphere on Earth

A team heated a cloud of gas up to 2,000°F and blasted it with radiation to see what happens on giant planets that orbit very close to their stars.


European Genocide of Indigenous Peoples in the Americas Cooled Earth’s Climate

Some 50 million Indigenous peoples died during the 16th century, a collapse that caused atmospheric carbon dioxide levels to drop.


Plants are Losing Their Capacity to Absorb Human CO2 Emissions

A team of Columbia researchers finds that the climate tipping point may come sooner than we think.


Climate Models Overestimate How Much CO2 Plants Can Remove From the Atmosphere

Carbon dioxide levels might increase even more rapidly than expected based on new research on the molecular mechanisms of photosynthesis.


Climate Impacts of the Kinder Morgan Pipeline Could Cost Up to $8.7 Billion

There are real costs associated with releasing more CO2 into the atmosphere. Here, we crunched some numbers.


Trump's EPA Chief Wants Scientists to Debate Climate Change on TV

Scott Pruitt said there are "lots of questions that have not been asked and answered" about an issue the larger scientific community has already settled.


Senate Republicans are Hijacking the Future of American Health Care

Your daily guide to what’s working, what’s not and what you can do about it.


Kendra Kuhl Is Building a Device That Turns Pollution Into Products

The CTO of Opus 12 has been trying to help the environment since she was a grad student.


Chicago Says It Will Make All City Buildings 100 Percent Renewable By 2025

The Windy City wants to switch its municipal buildings entirely to clean energy in eight years.


Trump Is Showing Us What a Climate Denier President Looks Like

Here's the damage his new executive order on energy could do.


Why Keeping CO2 Emissions Stable Won’t Save Us From Climate Change

CO2 emissions were stable worldwide in 2016 as the global economy grew.