Texts & Transcripts
U.S. Agriculture Secretary Tom Vilsack outlines China-U.S. cooperation to advance mutual goals in food and agriculture.
President Obama makes remarks on the U.S. government response to the Ebola outbreak in West Africa.
Secretary of State John Kerry delivers remarks on climate at the COP-20 meeting in Lima, Peru.
Illicit trade in threatened and endangered species is a multibillion-dollar business, and the increasingly intense demand for products derived from Africa’...
Meet some young people who are using STEM to have fun and make a difference.
California passes the Global Warming Solutions Act, a comprehensive law aimed at reducing the state's carbon emissions, in 2006.
To celebrate Earth Day, we show you the innovations of big cities going green.
Scientific discovery is an intellectual adventure that benefits all of humanity.
Every year, thousands of animal species go extinct. Animals that once roamed the Earth in abundance are permanently disappearing from our planet at a hear...
A new report shows the Arctic is warming at twice the rate of anywhere else on Earth, a trend that has broad effects beyond the Arctic on global security, ...
President Obama designates Alaska’s Bristol Bay, a pristine coastal area in the heart of one of the world’s most productive fisheries coast, as off-limits ...
The rufa red knot is the latest addition to the list of migratory birds that enjoy special protection under U.S. law.
Several recipients of the 2010 and 2011 Presidential Early Career Awards for Scientists and Engineers reveal what they think is best about science.
The creation of Yellowstone National Park in 1872 sparked a great American conservation movement and tradition. Since then, the U.S. national park system ...
This photo gallery shows the many and varied effects of climate change around the world.
These hydrogen buses might be larger than cars, but they are greener.
Think we can survive without the ocean? Think again.
Singer and songwriter Jack Johnson describes when his love for the ocean began and discusses steps we can take to help protect it.