U.S. President Barack Obama

Barack Obama is the 44th president of the United States. Regarding the environment, President Obama's agenda has involved major policies to improve the nation's energy efficiency, promote renewable energy, reduce greenhouse gas emissions and lead the international effort to combat climate change. Obama has also preserved large areas of American wilderness from Maine to Hawaii, establishing more national monuments than any other president.

Why Ohioans care what Mount McKinley is called

Burgeoning bee buffers feed hungry honeybees

'Evolution of Mom Dancing 2': First lady busts a move

America, it's time to 'Find Your Park'

Obama announces free national park admission to all 4th graders and their families

4 reasons why Alaska's Bristol Bay is worth protecting

U.S. and China reach historic deal on climate change

What Obama's net neutrality message means for the Internet

'Turnip For What?' Michelle Obama's Vine goes viral

Obama hangs 'no fishing' sign on huge ocean sanctuary

Michelle Obama makes cameo in ‘Snackpocalypse’

Obama launches plan to save the bees and butterflies