CLIMATE CHANGE | EarthSky

Two polar bears, one older and bigger than the other, strolling on ice, and looking at the camera.

Polar bear DNA changing in response to climate change

A new study has found that polar bear DNA might be evolving to help these creatures adapt to the stresses of our changing climate.

Bald man with short beard at a desk with a computer.

Monday’s livestream: Extreme weather and climate change with Davide Faranda

Watch our replay about climate change and extreme weather with climatologist Davide Faranda, an expert on cold spells, heatwaves and severe thunderstorms.

A person in a yellow coat with backpack walks through a snowy city scene.

Polar vortex disruption due to climate change? Or … why so cold outside?!

Arctic changes associated with global warming have increased the likelihood of disruptions in the polar vortex, which can cause cold snaps in southerly regions.

Orange sky and sea with waves in the foreground and a orange sun in the middle of the image.

Q&A: What is the sun’s role in climate change?

The sun influences the Earth's climate, but what is the sun's role in climate change? According to NASA, it's not likely the cause for climate change.

View of Chicago River and bridges with tall towers lining either side of river.

What’s happening under cities? Underground climate change

Scientists say heat that structures emit beneath cities leads to underground climate change, which can cause the ground to swell and shrink. Read more here.

Double rainbow arching over a house and tree.

Climate change will produce more rainbows

Researchers from the University of Hawaii found that climate change will bring more rainbows to higher latitudes and higher elevations.

Global climate change; Golden corn crops are pictured in a green corn field.

Global climate change may impact crops within 10 years

Global climate change may affect the production of maize (corn) and wheat as early as 2030 according to a new NASA study published in the journal, Nature Food.

Crescent moon with earthshine, seen from a high mountain, with sunset colors.

Earth is dimming due to climate change

Scientists used measurements of earthshine, plus satellite data, to learn that Earth is dimming due to the warming oceans.

Aerial view of blue river winding through green forested landscape.

Climate change altering Earth’s rivers

A new study suggests that climate change is the key driver of changes in water flow in rivers worldwide.

Venus was once more Earth-like, but climate change made it uninhabitable

A severe climate change event on Venus may have transformed an Earth-like climate to the current uninhabitable-to-humans state.

Poll reveals climate change as most important issue for U.S. adults

A Harris Poll survey - conducted online in December on behalf of the American Psychological Association - reports that more than half of U.S. adults (56%) cite climate change as the most important issue facing the world today.

Climate change, a big whitish bear walking on all fours across white sea ice.

What climate change in the Arctic means for the rest of us

Air temperatures in the Arctic are increasing at least twice as fast as the global average due to climate change. What worries climate scientists about this?

Fight climate change with more swamps

These scientists say the world needs more swamps, bogs, fens, marshes and other types of wetlands.

Will climate change make rice less nutritious?

As atmospheric carbon dioxide levels rise, rice plants - the primary food source for more than 3 billion people - produce fewer vitamins and other key nutrients.

Climate change shrinking Colorado River

Ongoing drought - and increasing temperatures - have reduced water flow in the Colorado River, with more dramatic reductions expected. This ongoing, unprecedented event threatens water supplies in cities in the U.S. West and some of the most productive agricultural lands anywhere in the world.

Polar bear DNA changing in response to climate change

Monday’s livestream: Extreme weather and climate change with Davide Faranda

Polar vortex disruption due to climate change? Or … why so cold outside?!

Q&A: What is the sun’s role in climate change?

What’s happening under cities? Underground climate change

Climate change will produce more rainbows