Global Warming

This bleached reef near Guam shows what happens when ocean temperatures rise.

Unesco-Protected Reefs Could Be Destroyed by 2100

Over 70 percent of world heritage reefs were damaged during the recent bleaching event

Compared with the trees, lianas are able to put more energy into the production of leaves and seeds and less towards growing a trunk.

Tarzan's Favorite Mode of Travel, the Liana Vine, Chokes Off a Tree's Ability to Bear Fruit

With lowered fruit production, fewer seeds are dispersed to grow new trees

Aspens are one of the American tree species moving northwest.

American Trees are Shifting West

For 86 common species, northwest seems to be best. But why?

As many as 4,000 snow machines could soon preserve the ice on this Swiss glacier.

Can Snow Machines Save Swiss Glaciers?

As many as 4,000 could be deployed to insulate ice on Morteratsch

Roadmap is a new idea whose aim is to facilitate action on climate change without any of the usual suspects—governments, countries, international bodies, negotiating parties.

Using a New Roadmap to Democratize Climate Change

A new tool aims to bypass governments and put the power of climate action in the people’s hands

Proposed Test Heats Up the Debate on Solar Geoengineering

Harvard scientists are moving ahead with plans to investigate using particles to reflect some of the sun's radiation

Andrew Altieri of the Smithsonian Tropical Research Institute in Panama conducts a survey where more than 90 percent of the coral reef has died due to hypoxia.

Coral Reefs Now Face Deep Water Dead Zones, As If Climate Change Were Not Enough

A Smithsonian scientist says there may be a greater prevalence of undocumented oxygen-starved deep coastal waters

Three polar bears climbing on a snow-covered pile of bowhead whale bones on Barter Island near Kaktovik, Alaska.

The Politics of Viewing Polar Bears

Tourists flock to this coastal Alaskan town to photograph the vulnerable icons—raising hairy ethical questions

The Experimental Lakes Area in Ontario is one of the world's leading long-term experiments tracking the effects of climate change, pollution and other factors on freshwater ecosystems.

Canadian Scientists Explain Exactly How Their Government Silenced Science

It wasn’t just climate research. Rock snot, sharks and polar bears: All were off-limits during the Harper administration

An illustration of Australia's past megafauna.

Changing Climate, Not Humans, Killed Australia’s Massive Mammals

But that mass extinction could help us predict what today’s human-wrought climate change may bring

As his ancestors have done for generations, Icelander Árni Hilmarsson catches an Atlantic puffin in a net called a háfur.

Disappearing Puffins Bring an Icelandic Hunting Tradition Under Scrutiny

Historically, hunting seabirds has been a distinctive feature of Nordic coastal culture. Should it still be?

Workers on a NOAA ocean buoy

New Study Confirms There Was No Global Warming Hiatus

An independent evaluation of NOAA's disputed data further supports the steady upward march of temperatures

Rice paddies are one source of global methane emissions.

Methane Levels Have Surged, and Scientists Don’t Know Why

As Earth heads toward climate crisis, the pressure is on to learn more about CH4

Ahead of her time: Foote first identified the greenhouse effect, now a seminal concept in climate science.

This Suffrage-Supporting Scientist Defined the Greenhouse Effect But Didn’t Get the Credit, Because Sexism

Eunice Foote’s career highlights the subtle forms of discrimination that have kept women on the sidelines of science

How does a bear catch a break around here?

Decades-Old Chemicals May Be Threatening Polar Bear Fertility, As If They Didn’t Have Enough to Worry About

A new study sheds light on how today's pollutants could become tomorrow's threats to wildlife and humans

The puffin is one of the many species of birds that contribute to the massive amount of poop covering the arctic every year.

How Bird Poop Could Help Keep the Arctic Cool

Researchers have discovered that ammonia produced from tons of seabird guano helps form low lying clouds that can partially block sunlight

Emissions from cars and other forms of transportation is one of the many sources of greenhouse gasses.

Global Emissions Plateaued for Three Consecutive Years. That Doesn't Mean We Can Relax.

Several recent studies provided a glimmer of hope, but these developments alone won't halt climate change

What secrets do those lonely ice sheets hold?

A Radioactive Cold War Military Base Will Soon Emerge From Greenland’s Melting Ice

They thought the frozen earth would keep it safely hidden. They were wrong

Rising drought. Surging seas. Spiking temperatures. 2015 was just another year in a long pattern of Earth's changing climate.

World’s Climate Hit Extremes, Shattered Multiple Records in 2015

From rising temperatures and ocean levels to record greenhouse gas levels, 2015 was a rough year for planet Earth

Boulder brain coral is usually common in Florida's coral reefs.

Between Bleaching and Boats, Florida’s Coral Reefs Are Struggling to Survive

The reefs are crumbling in acidifying waters and buried from dredging, according to new reports

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