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Claudia Tebaldi Discusses the IPCC Process and Findings

Claudia Tebaldi Discusses the IPCC Process and Findings

The Intergovernmental Panel on Climate Change released part of its fifth assessment report on Friday morning. It contains a wealth of information on climate change and its impacts around the globe. Climate Central Senior Scientist Claudi Tebaldi is a lead author on the newly-released section and discusses some of the highlights and the process of d… Read More

Winds of Change: Why Antarctic Sea Ice Is Growing

Winds of Change: Why Antarctic Sea Ice Is Growing

The ice that covers the Arctic Ocean has been on an overall downward trend in summer for more than three decades now, but the growth of sea ice in winter at the opposite end of the world has been trending upward over the same time span. That doesn’t contradict the idea of global warming — for one thing, the growth is very slow compared with ice los… Read More

Channels of Meltwater Detected in Antarctic Glacier

Channels of Meltwater Detected in Antarctic Glacier

The study revealed that much of the meltwater travels through channels resembling river valleys beneath the ice sheet. One of the channels observed was about 2,000 feet wide, melting about 2.4 inches of ice per day, in much the same way that a meandering river gradually erodes adjacent land. If the melt rate were to stay steady throughout the cour… Read More

Drones Find New Purpose Studying Arctic Ice Melt

Drones Find New Purpose Studying Arctic Ice Melt

The logical next step for exploring some of the world's most inhospitable terrain is being taken. Researchers are using unmanned aerial vehicles (UAVs) – drones – to explore the last great repositories of ice in Greenland, Antarctica and Alaska. About two dozen universities and research organizations, including NASA and the National Oceanic and At… Read More

Newfangled ‘Icepod’ Tracks Greenland’s Melting Ice Sheets

Newfangled ‘Icepod’ Tracks Greenland’s Melting Ice Sheets

The LC-130 Hercules flew low over the ice sheet in a tight grid pattern, Teflon-coated landing skis barely 300 meters above the soft upper layer of snow. At the rear of the plane, scientists clustered round a monitor displaying a regular pattern of dark red waves generated by a radar signal. Somewhere in the vast, white emptiness below were two tin… Read More

Krill Face Greater Risks in Warming Antarctic Waters

Krill Face Greater Risks in Warming Antarctic Waters

They may not look very appetizing, but they are what sustains much of the marine life in the southern ocean. Antarctic krill, usually less than 2.36 inches long, are the primary food source for many species of whale, seal, penguin and fish. But there’s a problem: the waters round Antarctica are warming, and it looks as if they will probably contin… Read More

Arctic’s Rapid Sea Ice Loss Threatens Wildlife

Arctic’s Rapid Sea Ice Loss Threatens Wildlife

The loss of Arctic sea ice is bad news for the Pacific walrus, and for polar bears: the walrus has further to swim to dig for clams on the sea floor, and the polar bear has less chance of catching seals. But the real problems begin at the base of the food chain. Since the end of the last century, more than two million square kilometers of sea ice … Read More

NOAA: 2012 One of Globe’s 10 Hottest on Record

NOAA: 2012 One of Globe’s 10 Hottest on Record

Last year was one of the globe’s 10 warmest years on record, with numerous milestones set that indicate that global warming is continuing, despite a plateau in the short-term trend in global average surface temperatures, according to a new climate report released on Tuesday. The report, which amounts to a 260-page checkup of the health of the clima… Read More