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The Fingerprints of Global Warming on Extreme Weather

Global warming made heat records more likely for about 80 percent of an observed area of the globe.

Pollution From Canada’s Oil Sands May Be Underreported

A new study shows air pollution from Canada's oil sands could be 4 times higher than previously reported.

China, India Become Climate Leaders as West Falters

As rich countries have foundered, India and China have emerged as global leaders in tackling warming.

We Just Breached the 410 Parts Per Million Threshold

The world's marquee carbon dioxide observatory just recorded a major climate milestone.

A Cooler Future May Hinge on Removing CO2 From the Air

Removing carbon dioxide from the air may be the most effective way to meet the globe's ambitious climate goals.

This Graphic Puts Global Warming in Full Perspective

Climate change has the planet on a hot streak it's unlikely to break anytime soon.

Rising Global Temperatures and CO2

The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.

U.S. Warming Since the First Earth Day

Since the first Earth Day in 1970, the average annual temperature in every state has climbed.

March Was Second Hottest on Record Globally

March was the second hottest March on record, according to NASA, behind only 2016, a mark of rising global warming.

Early Heat Wave Bakes India, Sign of What’s to Come

Heat waves have set in early in northern India. They are expected to become more common with warming.

Carbon Emissions Factor Into Major Oil Sands Shakeup

Major oil companies, feeling pressure from low oil prices and global climate policy, are fleeing Canada's oil sands.

Fewer Freezing Nights

The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.

Hey Look, Another Record Low Month for Sea Ice

March saw record low Arctic sea ice, marking the sixth month in a row of record or near-record lows.

Electricity’s Carbon Footprint in U.S. Shrinks, Sets Record

U.S. energy-related carbon pollution fell in 2016, part of a decade-long trend as utilities use less coal.

Scientists Just Confirmed the Great Barrier Reef Bleached

Climate change has fueled bleaching at the Great Barrier Reef for an unprecedented two years in a row.

Americans Used A Lot Less Coal in 2016; Here’s Why

Coal use in the U.S. fell 9 percent in 2016, even as the Trump administration seeks a coal industry revival.

Congress’ ‘Political Theater’ Threatens Science, Climate

Dozens of GOP-sponsored bills have been introduced in Congress that seek to hamstring federal climate action.

The Climate Could Hit a State Unseen in 50 Million Years

The world is on track to reach an ominous carbon dioxide milestone by mid-century.

Calif. Snowpack Healthy Again, but Warming Looms Large

California finally has a healthy mountain snowpack, but as temperatures continue to rise, that could change in the future.

More Water Flowing in California This Year

More water is flowing this year in California from frequent storms and melting snowpack.