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Marine Economy Takes a Dive as Ocean Acidity Rises

Marine Economy Takes a Dive as Ocean Acidity Rises

The waters off the U.S. state of Alaska are some of the best fishing grounds anywhere, teeming with salmon and with shellfish such as crab. But a new study, funded by the U.S. National Oceanic and Atmospheric Administration(NOAA), says growing acidification of Alaska’s waters, particularly those off the southern coast, threatens the state’s whole e… Read More

As Arctic Ice Melts, Polar Bears Find a New Menu

As Arctic Ice Melts, Polar Bears Find a New Menu

Starving polar bears, icon of the climate change movement, may be able to adapt to an ice-free summer season in the Arctic after all. Scientists have long thought that polar bears essentially starve during the summer, living off fat reserves until the sea ice returns and they can venture out to sea to capture their main source of calories: seals. B… Read More

Summertime Blues? U.S. Seeing Red as Temps Rise

Summertime Blues? U.S. Seeing Red as Temps Rise

The summer solstice is right around the corner this Saturday and temperatures around the U.S. have started to rise to the occasion. But it’s not just a warmup from spring to summer that’s occurring: summer temperatures have been steadily rising since 1970. On average, temperatures have increased at a rate of about 0.4°F per decade in the… Read More

U.S. Climate Change Report Warns of Regional Impacts

U.S. Climate Change Report Warns of Regional Impacts

On Tuesday, the federal government released its third report of climate change in the U.S. The report, called the National Climate Assessment, makes clear that climate change is a present-day issue and a growing threat. While climate change is often viewed as a global problem, the report highlights how impacts vary across all regions of the country… Read More

Since 1st Earth Day, U.S. Temps Marching Upward

Since 1st Earth Day, U.S. Temps Marching Upward

It’s been 44 years since the first Earth Day was celebrated in 1970, and since that time, average temperatures have been rising across the U.S. Our interactive graphic shows a state-by-state analysis of these temperature trends. Average temperatures across most of the continental U.S. have actually been rising gradually for more than a century, … Read More

Powder River Basin: Coal on the Move in Wyo. and Mont.

Powder River Basin: Coal on the Move in Wyo. and Mont.

The broad high prairie of eastern Wyoming and southern Montana was once the bottom of a shallow sea, a rich subtropical swampland for millions of years. Layers of plants began forming peat beds 60 million years ago, later to be buried and compressed into bituminous coal strata. The Missouri River became the dominant stream as the Northern Rockies … Read More

Snow Cover May Help Usher in Historic Cold to Northwest

Snow Cover May Help Usher in Historic Cold to Northwest

As a Thanksgiving-eve storm, which snarled air and road traffic up and down the East Coast on Wednesday, comes to a close, it’s leaving the country with the largest snowpack for this time of year since at least 2003. This snow cover is likely to play a big role in helping to usher in a wave of potentially historically cold air during the week after… Read More

Storm Science, HFCs, a Warming Arctic and Fracking

Storm Science, HFCs, a Warming Arctic and Fracking

Limits on HFCs, fracking fallout and Alaska and the Arctic experience warmer temps. … Read More