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What Passing a Key CO2 Mark Means to Climate Scientists

We're likely living in a post-400 ppm world. Here's what it means to scientists that study the climate.

The Forgotten U.N. Climate Goal: 1.5°C

Island nations and others are desperate to keep global warming to less than 1.5°C, or 2.7°F.

U.K. Plans to Shutter All Coal-Fired Power Plants by 2025

The U.K. plans to close all of its coal-fired power plants by 2025 to address climate change.

Climate Matters: States At Risk

States at Risk: America’s Preparedness Report Card summarizes the changing nature of key threats and corresponding levels of preparedness in…

One Graph Shows El Niño’s New Record

El Niño hit a weekly temperature record and is likely to keep upping the heat globally.

These Are The NASA Tools Tracking Our CO2

NASA is using models and satellites to improve our understanding of how CO2 moves around the globe.

Once Stable Greenland Glacier Facing Rapid Melt

Glaciers in northeast Greenland that were once stable have undergone rapid melt and retreat in recent years.

Mapping Choices: Sea Level Rise Around the Globe

Our analysis details the implications of different warming scenarios for every coastal nation and megacity on the planet.

Images Show Impact of Sea Level Rise on Global Icons

Paired images showing how iconic global locations could fare under scenarios of business as usual vs. sharp clean energy transition.

The Shum Show: East vs. West

Catch this week's topsy-turvy climate and weather news on the Shum Show.

Flurry of Hawaiian Hurricanes Shows Climate Fingerprints

Hawaii's active hurricane streak has a climate change tie and could be a sign of things to come.

50 Years After Warning, No Debate in Paris on the Science

U.N. negotiators will have a lot of disputes to worry about in Paris — climate science is not one of them.

New York Prepares for Up to 6 Feet of Sea Level Rise

New York State is anticipating up to 6 feet of sea level rise on its coastlines by 2100.

Half Million Die in Decade of Disasters in Asia Pacific

The region's disasters claimed half a million lives over the decade, and $523 billion in economic damage.

The Shum Show: El Niño Brings a Halloween Spook

It's Halloween, and Greta Shum takes you through the "chilling" weather extremes.

Paris Agreement Could Put Leash Around Global Warming

World governments are cooperating as they work to slip a leash around global warming, but more is needed.

Climate Change is Decimating Cod in the Gulf of Maine

The Gulf of Maine is one of the fastest warming places in the world and cod are suffering.

Charleston’s Floods Illustrate the World’s Watery Future

Sea level rise is driving Charleston's king tides higher and higher and will make nuisance flooding routine.

Study Finds Power Stations at Risk From Storm Surge

Storm surge-related power outages are likely to become more commonplace along the East Coast.

As Sea Levels Rise, the City of Perth Sinks

The city’s growing population means a growing demand for water, and the land is slowly subsiding to the demand.


Greenland Annual Ice Loss 2004-07 Greenland's estimated ice loss each year from 2004 through 2007.

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