“The truth is, if we adapt existing technologies … there’s still going to be a big gap to fill,” according to President Obama.
As NASA starts its search for the next space explorers, and potential travelers to Mars, Mexican-American astronaut José Hernández shares his experience.
The new U.N. Commission on Human Rights faced the tough job of writing a declaration that rose above national politics and ideology to define human rights.
Climate change negatively affects agriculture, health and homes. The U.S. is investing in climate-resilience projects along with new technologies.
U.S. businesses are serious about climate change. More than 80 huge corporations have signed the pledge to #ActOnClimate.
At COP21, participating countries are planning on adapting to and slowing the effects of climate change. Do you know what your country is pledging?
Nobel laureate and microbiologist Aziz Sancar helps students from his native Turkey adjust to the U.S., and introduces U.S. students to Turkish culture.
How can your everyday actions combat climate change? Here are five ways tech is transforming transportation.
Gary Cohen of Health Care Without Harm, a MacArthur "genius grant" recipient, urges hospitals to practice a higher standard of sustainability.