Calling Thailand the Land of Smiles might seem like setting the bar a little high, but after spending three weeks there, I ...

American Rivers' annual report includes 10 rivers that hold significance to people and nature, or are threatened by climate ...

Want to help our national parks get even better? Here's how you can volunteer to keep them clean and take part in some ...

95 percent of Olympic National Park is a designated wilderness area, with minimal light pollution for crystal-clear stargazing into the cosmos. When skies are clear, especially in summer ...

A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate ...

Trees nearest the mines had higher concentrations of mercury in their rings. Passive air sampling confirmed the mercury ...

The best times to visit Serengeti National Park are from January to February or from June through September, although you should plan your trip around the movement of The Great Migration.

BLOOMINGTON — The nonprofit Arbor Day Foundation has once again recognized the city of Bloomington and the town of Normal as ...

Air pollution has a "dramatic" impact on the amount of sunlight reaching Earth’s surface, reveals new research. Solar radiative energy declined in large parts of the world from the 1950s to the ...

The best time to visit Kruger National Park is at the beginning or end of the region's dry season, which falls between April and September. During Kruger's dry season, temperatures are mostly ...