Climatology

Some three to five million years ago, the icy environs of Antarctica were replaced by verdant swaths of green

CO2 Levels Are as High as They Were Three Million Years Ago

The last time Earth had this much carbon dioxide in the atmosphere, trees were growing at the South Pole

Raging Rivers May Have Washed Over Mars for Billions of Years

A study of 200 river systems shows the waterways persisted even while the atmosphere was disappearing and the Red Planet was drying up

A Network of Lakes Lies Under East Antarctica's Biggest Glacier

The water underneath the Totten Glacier may force researchers to recalculate how quickly climate change may melt the massive ice sheet

Illustration of the GRAPES-3 Muon telescope in a lightning storm.

How Much Electricity Can Thunderstorms Produce?

Researchers used a cosmic ray detector to clock one storm in at a shocking 1.3 billion volts

Flooding Creates a 10-Mile-Long Lake in Death Valley

The rare ephemeral lake was caused when the compacted, dry desert soil wasn't able to absorb the .87 inches of rain that recently fell on the national park

Lake Sediment and Ancient Poop Track Environmental Changes at Cahokia

The research reveals the largest pre-Hispanic settlement north of the Mexican border experienced flood and drought near its end

Could Climate Change Make These Clouds Go Extinct?

New modeling shows that 1,200 ppm of CO2 disrupts stratocumulus cloud formation, which could lead to 14 degrees Fahrenheit of warming

Pine Island Glacier

Past Global Flood Shows Antarctica's Ice Is More Fragile Than We Thought

Data indicates the West Antarctic Ice Sheet collapsed after a small rise in temperature, meaning sea level could rise faster than predicted

Miami is investing hundreds of millions of dollars to raise roads in response to rising sea levels.

How Cities Are Upgrading Infrastructure to Prepare for Climate Change

The threat of extreme weather and other climate-related events has city planners rethinking the stability of critical infrastructure

In a newly released report, a team of nearly 100 scientists from around the world stress the urgency of combating climate change.

The World Was Just Issued 12-Year Ultimatum On Climate Change

Leading climate scientists paint dire portrait of years to come if we maintain carbon-emission status quo

These deficiencies are just the starting point for much bigger problems.

Climate Change Could Lead to Nutrient Deficiency for Hundreds of Millions

Carbon dioxide decreases zinc, iron and protein in food crops, which could add millions of people to the billions who don't get enough nutrition

CO2 Levels Reached an 800,000-year High in 2017

That's just one of many sobering facts about our changing world in the "State of the Climate in 2017" report released late last week

Noctilucent clouds.

Climate Change Is Responsible for These Rare High-Latitude Clouds

A study shows that methane emissions are responsible for the increase of noctilucent clouds, which glow eerily at night

Installing the water harvester

This Device Pulls Water Out of Desert Air

A new water harvester can extract water from extremely dry air, using only solar energy

Can Bringing Back Mammoths Help Stop Climate Change?

Scientists say creating hybrids of the extinct beasts could fix the Arctic tundra and stop greenhouse gas emissions

Venus shines brightly in the distance in this picture taken on the International Space Station.

Venus and Jupiter May Meddle With Earth's Orbit and Climate

In 405,000-year cycles, the tug of nearby planets causes hotter summers, colder winters and drier droughts on our home planet

Your Summer Vacation Is a Carbon Emissions Nightmare

A new study of tourism supply chains shows that all those flights, zip-line tours and foie gras produce 8 percent of global carbon emissions

When the director of DARPA heard about the blasts and their purpose, he had an immediate reaction: “Holy shit. This is dangerous.”

How Soviet Bomb Tests Paved the Way For U.S. Climate Science

The untold story of a failed Russian geoengineering scheme, panic in the Pentagon, and a Nixon-era effort to study global cooling

Pakistan's Searing April Temperatures Set New Global Record

On Monday, the city of Nawabshah reached 122.4 degrees Fahrenheit, causing heatstroke, power outages and general misery

Iron Age Tunic, radiocarbon-dated to c. AD 300. that was found in a glaciated mountain pass.

Norway's Melting Glaciers Release Over 2,000 Artifacts

Spanning 6,000 years, the well-preserved items hint at the history of mountain dwellers

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