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UN Data on Population Growth is Bad News for Climate

A growing population has serious implications for food security, political stability − and climate change.

Picture This: Hurricanes and Wildfires from Space

Hurricanes swirl over two oceans, California faces intense wildfires and fall makes its first appearance.

The $90 Trillion Climate-Stabilizing Cookbook

A new report shows how the world could become wealthier by spending more on clean energy infrastructure.

Climate Change Threatens Half of North America’s Birds

Over three hundred species, including the bald eagle and 10 U.S. state birds are at risk from climate change.

Picture This: Summer Snow and Gnarly Lightning

In a weird week for weather, snow fell in some spots, while rains drenched normally dry areas.

Warming Air Was Trigger for Antarctic Ice Shelf Collapse

The spectacular 2002 collapse of Antarctica's Larsen B ice shelf was caused by surface melting.

Struggling El Niño Still Shaping Hurricane Activity

The El Niño struggling to form in the Pacific is still influencing hurricane season there and the Atlantic.

Time for Trees to Pack Their Trunks?

As climate changes, forest ecosystems will need to shift to more suitable sites. Should we help?

Picture This: Rainbows, Rainbows & More Rainbows

Rainbows were all over the place this week, from Niagara Falls to Yellowstone, including one with lightning.

Drought Divide: Tropical Rains to Help Plains, Not SoCal

Moisture from tropical storms will bring drought-easing rains to the plains, but only flash floods to SoCal.

NASA Releases Blizzard of Precipitation Data

The most comprehensive set of precipitation data collected by NASA is now available to the public.

El Nino Watch: 6 Months and Still Counting

El Niño, which has been anticipated to form since March, has yet to arrive but is still expected.

Mountain Forest Changes Threaten Calif. Water Supplies

Landscape changes in the warming Sierra Nevada may have major impacts on California’s economy.

Warming in Europe Raises Risks of Tropical Diseases

As temperatures rise in Europe, researchers warn of the increased risk of mosquito-borne diseases.

Pests Pose Increasing Risk to Food Security

In a world with ever more competition for food, pests may pose the biggest threat.

Battle Wages for California’s Groundwater Rights

California’s drought stresses the need to improve how the state & the rest of us divvy up a resource in demand.

Climate Change Ups Odds of a Southwest Megadrought

A new study shows that climate change is increasing the odds of long-term drought in the Southwest.

Picture This: Awesome Auroras and Triple Rainbows

Colors abound in this week's weather photo roundup, with a triple rainbow and glowing rains over Yosemite.

What Global Warming Might Mean for Extreme Snowfalls

While warming is expected to reduce average snowfalls, it may have less of an impact on extreme snowfalls.

Crowdsourced Photos Provide Drought Snapshots

Anyone can contribute to a growing database of photos that show the state of drought across the U.S.

Gallery

Savannah’s Rising Seas Sea level rise projected for this century presents significant threats to Savannah.