Climate Change

If the concentration of PFTBA is the same everywhere as it is in Toronto, which the researchers think it is, then that would be a bad thing.

There’s a New Greenhouse Gas to Worry About, And It’s 7,100 Times Stronger Than Carbon Dioxide

PFTBA is the most efficient greenhouse gas found, on a molecule-by-molecule basis

The Northern Hemisphere's mid-latitudes have experienced many heat waves in recent years, such as one that fueled Rocky Mountain wildfires in summer 2012. Warmer-than-normal temperatures appear red in this NASA image of North America on June 28, 2012.

Summer Heat Waves May Be Linked To Sea Ice Loss

As ice melts, the jet stream gets stuck in the north, causing warm weather to linger in the south--but the reason why this occurs remains unknown

A more Earthly Mordor.

Which U.S. City Most Resembles Mordor? A British Climate Scientist Found Out

Mordor is basically Los Angeles

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This Hurricane Season Was Way Less Awful Than People Expected

This year's hurricane season - which ends tomorrow - has been far more subdued than experts predicted

Resurrection Bay, Alaska (1939), by Rockwell Kent

Art Chronicles Glaciers As They Disappear

The Whatcom Museum in Bellingham, Washington, is exhibiting 75 works of art pulled from the past two centuries—all themed around ice

The production of oil and gas produces methane. But official counts may be underestimating just how much of this potent greenhouse gas comes from natural gas and similar sources.

Emissions of Methane, a Potent Greenhouse Gas, May Be Underestimated

Leaks from natural gas extraction may be a bigger source of U.S. methane emissions than previously thought, a new study finds

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Get Up to Speed on the Latest Climate Science in Nine Minutes

This new IPCC video boils down the physical science behind climate change in language anyone can understand

Shale gas in America

Most Americans Don’t Know What Fracking Is

You know what fracking is, right? If not, we're here to help

The Mauna Loa Observatory where Keeling’s observations are made.

Budget Cuts Could Shut Down the Carbon Dioxide Monitors That First Warned of Global Warming

The monitoring program that gave us Keeling's Curve is facing the axe as budgets are cut

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World’s Rivers and Streams Leak a Lot of Carbon Dioxide

Lakes and reservoirs take up more space, but rivers and streams release more of the greenhouse gas into the atmosphere, a new study finds

Despite warming temperatures, the sea ice around Antarctica is increasing in extent.

Why Is Antarctica’s Sea Ice Growing As Temperatures Rise?

New research shows that the explanation for the counterintuitive growth of sea ice near the South Pole can be found blowing in the wind

Alberta’s Oil Sands Account for 9 Percent of Canada’s Carbon Dioxide Emissions

The oil sands are a bigger source of greenhouse gases than all of Canada's agriculture or manufacturing

One of the Strongest Hurricanes Ever Seen Is About to Hit the Philippines

Since detailed observations began, only three hurricanes on Earth have been this strong

Tufa Dinku studies how satellites can be used to measure rain and temperature and other things relevant to understanding the climate.

This “Climate Models” Calendar Wants You to Check Out These Model Scientists—And Their Work

These climate scientists had some fun posing n landscapes representing their very serious work

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The Arctic Hasn’t Been This Hot for 44,000 Years

The average temperature in the Arctic, says new research, is hotter than at any time in the past 44,000 years, and maybe more

Coral Reefs Are Fighting Back Against Global Warming

When they get stressed by the heat, coral make their own shade by releasing a chemical that helps clouds form

Fire Is a Quickly Growing Threat to the Amazon Rainforest

If the Amazon continues to dry at just half the pace as it has over the past 30 years, yearly drought will become the new norm by the end of this century

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Australia’s Military Accidentally Set the Country on Fire

Australia's largest wildfire is the result of a weapons test gone awry

A street scene in Harbin

Air Pollution Closed Schools in China

Officials blamed the influx of smog on three factors—windless conditions, bonfires of harvested corn stalks and a fired-up municipal heating system

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Want to Learn About Climate Change? A Free Introductory Class Starts Today

Careful, there's homework

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