Climate Change

The last time Earth experienced such high levels of CO2 was three to five million years ago

Carbon Dioxide Levels Reached Record High in 2016

World Meteorological Organization reports that current atmospheric CO2 concentrations are at their highest level in 800,000 years

All But Two Adélie Penguin Chicks Die in "Catastrophic" Breeding Season

A WWF official described it as "Tarantino does Happy Feet"

The Climeworks device in Iceland that can filter carbon dioxide from ambient air and send it underground

First 'Negative Emissions' Plant Opens in Iceland, Turning Atmospheric CO2 Into Stone

The plant's operators hope to halt the warming of the Earth, but many challenges remain for the plan to work on a large scale

Could satellites ever prevent natural disasters?

The "Science" Behind "Geostorm", the Newest Weather-Fueled Doomsday Flick

Researchers have long sought control over the weather, but have yet to find a realistic way to master it

Adams worked with artist Emma Segal to create illustrations that represent the new energy terms. The English translation of the words on this image is: Solar Panels, a flat piece resembling a window/mirror placed on top of a building to collect electricity from the sun to power the house.

Inventing a Vocabulary to Help Inuit People Talk About Climate Change

One team is working with Inuvialuit elders to come up with a renewable energy terminology—and maybe revive a dying language

Little is known about the relation between these openings and climate change, but by studying them scientists hope to better tease out our impacts on this delicate system.

A Mysteriously Massive Hole in Antarctic Ice Has Returned

These holes are thought to be crucial elements of the currents driving the world's oceans, and after 40 years, one has formed again

Older, soot-covered horned larks on the left and cleaner specimens on the right

Sooty Bird Feathers Reveal a Century of Coal Emissions History

A story of pollution hides in the grime of museums' birds specimens

Humans overwhelmingly rely on only a few crops like wheat, making our food supplies vulnerable to climate change

Just a Few Species Make Up Most of Earth's Food Supply. And That's a Problem

The looming threat of extinction from climate change makes the lack of diversity in the world's food supplies a dangerous prospect

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Diver Explores Beautiful Blue Hole Hidden in Plain Sight

After spotting the feature while perusing Google maps, a marine biologist set out to experience and capture it in all its cerulean glory

This NASA Landsat image shows the Mackenzie River surrounding the town of Inuvik, and the uniquely pock-marked landscape of this delta.

With Federal Funds Dwindling, Climate Scientists Turn to Unusual Partnerships to Study Methane in a Warming Arctic

As the urgency of climate change becomes tangible to those in the Arctic, federal funds are growing harder to come by

Massive Iceberg Breaks Off From Antarctic Glacier

The chunk of ice is roughly four times the size of Manhattan

The Sphinx in late August

Scotland's Oldest Remaining Snow Patch Expected to Soon Disappear

Known as 'The Sphinx,' the icy spot on the mountain Braeriach hasn't completely melted for 11 years

Sunita Narain has been working for climate justice with the New Delhi-based Centre for Science and Environment since 1982.

How an Environmental Activist Became a Pioneer for Climate Justice in India

Reducing India’s emissions will take more than science—it will take a new paradigm of de-colonialism, says Sunita Narain

In an era of rapid change, the managers of our nation's wild spaces are asking: What counts as natural anymore?

The National Parks Face a Looming Existential Crisis

Political uncertainty and a changing climate converge to forge the park system's biggest challenge yet

Cargo Ships May Double Lightning Strikes in Their Path

Ship exhaust impacts cloud formation, which may influence lightning over busy shipping lanes

Despite the predicted declines, at least five species of bees would survive in areas that would still be suitable for growing coffee, says the new study.

With Smart Planning, Coffee and Bees Can Survive Climate Change

In a new study, a Smithsonian scientist says coffee-growers have options

Tapeworms, like this one imaged using a scanning electron micrograph, weaken their victims but don't typically kill them.

The World's Parasites Are Going Extinct. Here’s Why That’s a Bad Thing

Up to one-third of parasite species could vanish over the next few decades, disrupting ecosystems and even human health

Water water everywhere, and not a day to think.

How Coastal Cities Are Evolving to Deal With Extreme Rain

Facing the specter of more and worse rainstorms, these vulnerable areas are turning to innovative urban design

Why Are Some Leaves Massive and Others Minuscule?

Researchers have found that the rainfall, sunshine and the threat of frost or overheating set the maximum size for leaves

This slimy green algae is far more complex than the type that helped fuel the formation of modern creatures, but it's a distant relative.

How Microscopic Algae Kick-Started Life As We Know It

Some 650 million years ago, algae took over the seas, which may have been a needed spark in the formation of complex life

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