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Crowdsourced Photos Provide Drought Snapshots

Crowdsourced Photos Provide Drought Snapshots

On May 24, a roiling dust cloud enveloped a desolate stretch of road in Prowers County, a rural county in southeast Colorado. The county and surrounding area had been deeply mired in drought for more than 2 years and the photo bore proof of just what drought looked like to its residents. The short note accompanying the photo added more context: “Ph… Read More

Visualize It: Old Weather Data Feeds New Climate Models

Visualize It: Old Weather Data Feeds New Climate Models

In the 1930s, there were no computers to run climate models or record weather observations. Instead, weather reports were written or typed on typewriters and forecast maps were drawn by hand. Those observations from the past contain valuable data that can help scientists better understand what the climate may look like in the future. But gathering… Read More

Coal Terminal Decision Highlights Exports’ GHGs

Coal Terminal Decision Highlights Exports’ GHGs

What an Oregon coal terminal setback means for U.S. coal exports and global greenhouse gas emissions isn’t clear partly because there is disagreement about whether blocking new coal export terminals will result in a decrease in global greenhouse gas emissions.… Read More

Epic Drought in West is Literally Moving Mountains

Epic Drought in West is Literally Moving Mountains

Some parts of California’s mountains have been uplifted up to 15 mm in the last 18 months because the massive amount of water lost in the drought is no longer weighing down the land, causing it to rise a bit like an uncoiled spring, a new study shows.… Read More

Hot and Getting Hotter: Heat Islands Cooking U.S. Cities

Hot and Getting Hotter: Heat Islands Cooking U.S. Cities

Cites are almost always hotter than the surrounding rural area but global warming takes that heat and makes it worse. In the future, this combination of urbanization and climate change could raise urban temperatures to levels that threaten human health, strain energy resources, and compromise economic productivity. Summers in the U.S. have been … Read More

Here’s How Arctic Sea Ice Could Shrink Even More

Here’s How Arctic Sea Ice Could Shrink Even More

Climate change is the main driver behind receding Arctic sea ice. As summer ice shrinks further, it’s causing a host of other changes including the growth of large waves in the previously iced-over areas. Those waves could potentially hasten the demise of sea ice, leading to further changes in the fragile region. Changes brought on by global warmi… Read More

July Checks In as 4th Warmest on Record Worldwide

July Checks In as 4th Warmest on Record Worldwide

New National Climatic Data Center (NCDC) data show that last month was the fourth-warmest July on record worldwide, even though two giant cool spots in the Northern Hemisphere — one over Siberia and the other over the U.S. Midwest — made it easy for people living there to think that summer 2014 has been a mild one.… Read More

How Climate Friendly is Bike Sharing? It’s Complicated

How Climate Friendly is Bike Sharing? It’s Complicated

There's a lot scientists don't know about how bike sharing programs encourage less driving, and less CO2 from being emitted from car tailpipes. But there's a big benefit to bike sharing: It's a "gateway drug" to all kinds of cycling, and that's a big climate benefit.… Read More