Excess carbon dioxide emitted by human activities—such as fossil fuel burning, land-use changes, and deforestation—is known as anthropogenic carbon dioxide. Approximately thirty percent of this ...

One in a new generation of computer climate models that include the effects of Earth’s carbon cycle indicates there are limits to the planet’s ability to absorb increased emissions of carbon dioxide.

What just happened? Researchers are coining novel solutions to the increasingly urgent problem of greenhouse gases. The end goal is to remove as much carbon dioxide from the atmosphere as possible at ...