New evidence points to troubling levels of carbon dioxide, the world’s primary greenhouse gas, in the Earth’s atmosphere.

A majority of California's coastal planners and resource managers now view the threats from climate change as sufficiently likely that practical steps on the ground need to be taken to protect against growing threats.

Marine and terrestrial species will likely differ in their responses to climate warming.

The latest round of climate talks stalled on Friday in Bonn, Germany as government delegates couldn’t resolve how to share the burden of reducing man-made global warming.

It took the Earth 10 million years to recover from a cataclysmic event that wiped out 90% of plant and animal life some 250 million years ago, according to new evidence presented Sunday in the journal Nature Geoscience.