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A Global Milestone: CO2 Passes 400 PPM

Global carbon dioxide levels have now officially reached the 400 ppm level, a first for the planet.

Climate Change Will Greatly Impact Australians’ Health

A report warns extreme weather will contribute to the spread of disease and disrupt food and water supplies.

Global Warming Could Threaten 1-in-6 Species

One in six species is threatened with extinction if polluting practices continue unabated, researchers say.

U.S. Emissions, Economic Growth Headed Toward Divorce

U.S. energy consumption, greenhouse gases and the economy are no longer growing together.

Blooming Algae Could Accelerate Arctic Warming

A new study says waning Arctic sea ice could lead to algae blooms that will trap extra heat from the sun.

Extreme Heat and Heavy Rain Events Expected to Double

A new study says extreme heat and heavy precipitation events will double in the decades ahead.

At $24 Trillion, Oceans are World’s 7th-Largest Economy

Vast economic worth of world’s oceans is declining due to pollution, climate change and overfishing.

Look What’s Cooking in the World of Renewable Energy

The solar & wind innovations that got us where we are today & those waiting in the wings point to a hopeful future.

Where’s the Heat? Check the Oceans

Greenhouse gases are trapping a lot of heat in the climate system and most of it is ending up in the ocean.

Expectations High For Climate-Changing Coolant Talks

India and China recently dropped their opposition to phasing out HFCs under the Montreal Protocol.

China Can Cut Cord on Coal (Mostly) by 2050

China could produce more than 85 percent of its electricity with renewables by 2050.

Arctic Research Vessel Set Adrift to Study Sea Ice Decline

Scientists investigate why sea ice is retreating faster than expected as cover falls to new low.

New Studies Reveal Climate Extremes From Fire to Ice

Two new studies show how drastically CO2 has affected Earth's climate in the distant past.

Three Ways The West Can Adapt To Drought

As temperatures rise, droughts will worsen across the American West. Here's how to adapt.

When Climate Science Clashes With Real-World Policy

Climate scientists and planners speak different languages, jeopardizing adaptation efforts.

New York’s Smart Grid Research May Shape U.S.

New York State is creating a smart grid research lab to help integrate renewables into the electric power grid.

Thawing Permafrost Will ‘Seep, Not Explode’ CO2

Carbon emissions from thawing permafrost won't be catastrophic, but they won't be negligible either.

More CO2 = More Pollen

If CO2 emissions continue at the current pace, pollen counts are projected to nearly double by 2060.

U.S. Leads Global Oil and Gas Production for Third Year

For the third year, the U.S. produced more crude oil and natural gas than any other country in the world in 2014.

How Flood Insurance Could Drive Americans From Coasts

Should flood insurance subsidies be reformed to help communities abandon coastal settlements?

Gallery

Can Rain Cause More Fire? This graphic shows how volatile precipitation patterns can lead to more fires in some states. Produced by DuKode Studio.

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