carbon dioxide

Oklahoma Attorney General Ready To Fight EPA Proposal To Cut Carbon Emissions

Logan Layden

The U.S. Environmental Protection agency on Monday announced an ambitious plan to reduce carbon dioxide emissions at existing coal-fired power plants…

Weather and Climate

Methane May Be Bigger Global Warming Issue Than Carbon Dioxide

Associated Press

A new study says the United States is spewing 50 percent more methane than the federal government estimates. Much of it is coming from just three states:…

Plants accumulate carbon in the spring and summer, and they release it back into the atmosphere in the fall in winter. And a change in the landscape of the Arctic tundra, seen here, means that shrubs hold onto snow better, which keeps the organic-rich soils warmer and more likely to release carbon dioxide that's stored there.

Science Technology and Environment

Swinging CO2 Levels Show The Earth Is 'Breathing' More Deeply

Richard Harris

Carbon dioxide levels in the atmosphere cycle up and down as plants take it up in the summer and let some of it out in the winter. Over the past 50 years, these "breaths" have gotten larger, as plants in the Arctic are taking up more carbon dioxide during the warmer summers.