Featured blog: When it comes to attitudes about climate change, the chasm between Democrats and Republicans is wide. Political-polling analysts speculate that a McCain win in November might do more than an Obama victory to win over the minds of climate-change skeptics.

Featured blog: Goods exported from China to the United States and elsewhere account for a huge share of the Asian behemoth's emissions of greenhouse gases.

Big action and big bucks are needed to deal with the United States' energy problems, research leaders argued today.

An abnormally hot year can significantly suppress growth in grasslands, a stifling effect that lingers well into the next year even if temperatures return to normal. It can also hinder how well the grasslands absorb carbon dioxide from the atmosphere.

Featured blog: John McCain weighs in on science and technology issues with long-awaited written responses to the Science Debate 2008.

The number of coastal areas known as dead zones is on the rise. A new tally reports more than 400 of the oxygen starved regions worldwide.

Climate simulations are underestimating how often intense rainstorms occur at warm temperatures, a hint that episodes of extremely strong precipitation and flooding will strike more often as the global average temperature rises.