Climate & Energy

Take a video tour of UMD’s prize-winning Solar Decathlon house

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 tour of the house above. …

Green Home

Meet clean energy's smart guy

MacArthur "genius award"-winner Shwetak Patel talks about a future where your house tracks your energy consumption -- and your every move.

Business & Technology

Watch Consumer Reports fall in love with the Nissan Leaf


Critical List: Perry not afraid to sound like an idiot; Koch Industries trading with Iran

"I'm not afraid to say I'm a skeptic about [climate change]." -- Rick Perry, ladies and gentlemen. So fearless. A Bloomberg investigation found that Koch Industries has paid bribes to obtain contracts and sold Iran petrochemical equipment, in violation of the …


Ask Umbra: Can I recycle my car seat?

A reader wonders what to do with an expired car seat. Umbra buckles down.

7 Billion: What to expect when you’re expanding—a special series

Women’s rights are key to slowing population growth

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.

7 Billion: What to expect when you’re expanding—a special series

Women, population, and the age of the ‘Black Swan’

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.

7 Billion: What to expect when you’re expanding—a special series

Population math explained: Growth rate is down, total is up [VIDEO]

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.


As if they haven't done enough for you, trees also increase property values

Trees, man! They produce oxygen, they cool the planet, they make you smarter, and it turns out they also make your house worth more. It's like a Shel Silverstein book or something.