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Rapidly Acidifying Arctic Ocean Threatens Species

Rapidly Acidifying Arctic Ocean Threatens Species

Parts of the Arctic Ocean within the next 10 years could reach levels of ocean acidification that would threaten the ability of marine animals to form shells, new research suggests. Die-offs in such creatures could have ramifications up the food chain in areas that include some of the most productive fisheries in the world and provide a preview… Read More

Alaska’s Glaciers Seen as Major Source of Sea Level Rise

Alaska’s Glaciers Seen as Major Source of Sea Level Rise

The ice that tumbles into the ocean along Alaska’s coastline often makes for dramatic images that show one of the ravages of climate change – melting tidewater glaciers that contribute to sea level rise. But a new study finds that far more meltwater is flowing into the sea from a similar, if less frequently photographed source – inland glaciers. … Read More

Bad News Keeps Flowing From Antarctica

Bad News Keeps Flowing From Antarctica

The massive shelves of ice that ring Antarctica have been shrinking over the past couple of decades, and that could have grave implications for sea level rise. It’s not the ice shelves themselves that pose a problem: they’re mostly afloat, so when they melt or dump massive icebergs, it doesn’t affect water levels any more than melting ice cubes … Read More

Arctic Ice Melting Faster and Earlier With Dire Results

Arctic Ice Melting Faster and Earlier With Dire Results

There was less ice in the Arctic this winter than in any other winter during the satellite era, National Oceanic and Atmospheric Administration scientists said on Tuesday. The announcement was consistent with previous predictions that the Arctic would have entirely ice-free summers by 2040, they said in a briefing to the media on the state of clima… Read More

The Surprising Link Between Fjords and Carbon

The Surprising Link Between Fjords and Carbon

The magnificent, steep-sided fjords that slice deeply into the coastlines of New Zealand, Norway and Alaska are hugely popular attractions for tourists. But they may be surprisingly important to the Earth’s climate system as well. While fjords make up just one tenth of one percent of the oceans’ surface area they account for about 11 percent … Read More

Blooming Algae Could Accelerate Arctic Warming

Blooming Algae Could Accelerate Arctic Warming

Scientists already know that receding sea ice allows solar energy to warm exposed water rather than reflect back into space, but blooms of algae could make matters even worse. By the end of the century, researchers say, the blooms could lead Arctic warming to increase by as much as 20 percent.… Read More

Scientists Turn to Drones For Closer Look at Sea Ice

Scientists Turn to Drones For Closer Look at Sea Ice

An oceanographer at Columbia University’s Lamont-Doherty Earth Observatory is calling on a 21st century technology to understand exactly how the floating ice that clogs the world’s northernmost seas every winter breaks up and melts.… Read More

Major Changes Loom in Arctic as U.S. Leads Council

Major Changes Loom in Arctic as U.S. Leads Council

Just 30 years ago, the Arctic was viewed as a frozen expanse of limited opportunity. But climate change is rapidly reshaping the region — it’s warming twice as fast as the rest of the planet — creating new opportunities and risks that are coming into global focus. “Without climate change, we wouldn’t really be talking about the Arctic in the first… Read More

Gallery

Fall Precipitation Trends Fall precip has changed since the early 1970s, but unlike fall temperatures, the changes form more of a patchwork story.

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