The average rate of increase in this heat-trapping gas is faster than ever, scientists reported Monday.
Across the United States and Canada, pollen season is starting 20 days earlier and pollen loads are 21% higher since 1990.
It's the first time the Trump administration is adding rules on carbon dioxide. But it isn't a sudden change of heart on climate.
The global lockdowns put in place to combat the coronavirus have also been dramatically reducing pollution and greenhouse gas emissions.
UN delegates postponed a key decision on global carbon markets until next year.
Maine’s shrimp population has declined as its gulf waters have warmed, causing a shrimp fishing ban that may threaten the fishing industry indefinitely.
The White House adviser has claimed Earth is in the midst of a “CO2 famine."
No, carbon dioxide emissions are not “good” for global food production.
The concentration of 414.7 parts per million may be the highest in human history.
Here’s how oysters are helping to save the planet one shuck at a time.