Green groups and women's health advocates used to butt heads over population, but they're increasingly finding common ground in their support for family planning.
The Chesapeake Bay's sad state has yielded on positive result: the bay ecosystem inspired the University of Maryland's "WaterShed" house, which won the Department of Energy's Solar Decathlon over the weekend. You can take a …
MacArthur "genius award"-winner Shwetak Patel talks about a future where your house tracks your energy consumption -- and your every move.
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The best way to slow growth is ensuring that people can make choices about childbearing. But fertility rates remain high where women's status is low.
World population doubled in the last half-century to nearly 7 billion people. To address population growth, we need to advance and secure women's rights.
Over the past 50 years, the growth rate of the global population has slowed, but our overall numbers keep going up and up. Check out video explainers.