The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in ...

Follow the journey of atmospheric CO₂ as scientists use satellite data to trace its origins and movement across the globe.

President Trump’s efforts to freeze climate spending have sparked warnings of rippling consequences in years ahead. For many ...

A US think tank known to promote skepticism about global warming published a video claiming to fact-check climate "alarmism over ocean acidification." But the clip misrepresents the phenomenon, which ...

Days after NOAA released figures showing the highest seasonal concentration of CO2 in recorded history, the EPA moved to roll back emission standards for power plants. "The EPA is trying to get out of ...

Ancient carbon surges depleted ocean oxygen and stalled marine life, and new research warns today’s emissions could cause a ...

Much of the country is facing brutal, potentially deadly heat. The reasons for such extreme events are not complicated.

Science A Grim Signal: Atmospheric CO2 Soared in 2024 Scientists are worried because they can’t fully explain the big jump, but they think it might mean that carbon absorption by forests, fields ...

CO2 is a natural part of the planet, but too much has tipped the climate scales. Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to ...

New research reveals the importance of winter sea ice in the year-to-year variability of the amount of atmospheric CO2 absorbed by a region of the Southern Ocean.