Research published this month found that even in pristine, untouched areas, insect populations are still on the decline. Climate change is a likely culprit.

It's not always for the better.

A new study finds dozens of heat waves would be "virtually impossible" without the activity of major fossil fuel producers, including oil companies.

Words related to the natural world, such as 'river,' 'moss,' and 'blossom,' have dramatically declined in English-language books over the last 200 years.

Bur oak trees were once known as the 'King of the Great Plains.'

Scientists tracking the birds in an experimental forest in New Hampshire have also tracked changes in the forest ecosystem over decades.

People drink more sugary beverages when it's hot, researchers found, significantly increasing their sugar intake. That impact could grow as climate change raises the world's temperatures.

Many of New Zealand's unique birds are heading toward extinction. So the country is taking on an ambitious conservation project: eradicating the invasive species that prey on them.

Temperatures in Europe are increasing at twice the average global rate. As glaciers in the Swiss Alps disappear, Europe's biggest rivers are losing a crucial source of their summer water flow.

The iceberg, known as A23a, has been on a journey following the current into warmer waters for months. Now, it has begun the predicted and natural process of breaking apart, and eventually melting.