An ancient evergreen tree reveals its secret life to scientists, helping them decode climate history.
New study by scientists in India finds that the biggest glacier in the Indian portion of Kashmir has shrunk, imperiling the water supply of millions of people in the region..
Since 1990, heat waves with high humidity have increased in both frequency and intensity in southern California.
Many fir trees in Mexico that provide winter homes for monarch butterflies are being killed by bark beetles.
The boating industry is making efforts to offer a greener product.
Many caribou herds have lost more than half their number from the maximums of recent decades.
Filmmaker Ken Burns discusses his latest project: a series on the National Parks System.
Shifting climates and needed upkeep are issues facing America’s treasured spots.
Scientists say the Greenland ice sheet is losing about 7 billion cubic feet of ice a year. Now, they are just finally beginning to uncover some reasons why its been shrinking.
A study found that up to 30 percent of the geese now forgo migrating to warmer regions of the Pacific coast.
Alaska's marine waters are turning acidic from absorption of greenhouse gases faster than tropical waters.
Scientists wonder whether rising CO2 may trigger something else that further warms the climate
Researchers found that two of the Tetons' biggest glaciers have lost more than 20 percent of their surface area since the late 1960s.
Scientists found that eight species had become between 2 to 4 percent smaller over the past century.
A new study finds that hydrofluorocarbons could become a significant factor in future warming.
Tuvalu, a nation of nine islands, is taking steps to completely rely on renewable energy by 2020.
Column: One size doesn't fit all when it comes to coping with the effects of climate change.
Lawmakers craft a bill that will move the US to a far cleaner energy policy.
New discoveries about reefs, pinniped evolution, and climate change.