After a hiatus of nearly 30 years, changes in wind patterns may bring warm surface waters back to the West Coast of North America. Warmer waters might be a relief to swimmers, but they would also bring rising sea levels, which can damage coastal communities. Full story
Arctic ice is melting faster than expected and could raise the average global sea level by as much as five feet this century, an authoritative new report suggests. Full story
The ice sheets covering both ends of Earth are losing mass at an accelerating pace, and are on a faster-than-projected path to surpass other sources of rising sea levels, according to a new study. Full story
A new study shows that it's not just ancient snow that creates massive ice sheets atop Antarctica and Greenland, and that complicates climate models. Full story
World temperatures could soar by 4 degrees Celsius (7.2 degrees Fahrenheit) by the 2060s in the worst case of global climate change and require an annual investment of $270 billion just to contain rising sea levels, studies suggested on Sunday. Full story
From a barge floating above the deepest point on earth, a research team hopes to drill through half a million years of history to uncover secrets of climate change and natural disasters. Full story
Sen. Mary Landrieu, D-La., and New Orleans Mayor Mitch Landrieu discuss the recovery effort, five years after Hurricane Katrina devastated the region.
