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Solar space sails are real, and Bill Nye and Neil deGrasse Tyson are stoked

LightSail could offer a low-cost and reliable way to propel small satellites. Plus, it's cool!

Climate & Energy

Railroad safety fact check: Fires and spills are up despite industry claims

The railroad industry says 2014 was its safest year on record -- but a close look at the numbers isn't going to make you feel very safe.

Climate & Energy

What do we need to fight climate change? More worms.

A new Yale-led study shows that worms and other soil-dwelling critters could help curb carbon emissions and fight global warming.


Mike Huckabee can’t make up his mind about ethanol

The GOP presidential hopeful has been a vocal supporter of the ethanol industry -- except when he bashes it.

Climate & Energy

Turns out Osama bin Laden had some strong opinions on climate change

Read what bin Laden had to say about global warming and Pakistan.

blade shunner

This wind turbine has no blades — and that’s why it’s better

The Vortex bladeless turbine uses the wind to vibrate instead of spin. That makes it cheaper, quieter, and more reliable than a bladed turbine.


This woman turned her yard into a farm for an amazing cause

Watch this video for inspirational stories of family, mushroom hunting, and more.

Climate & Energy

Obama: Climate change poses “immediate risk” to national security

In a commencement address at the Coast Guard Academy, the president told cadets they'll be responding to climate change throughout their careers.

Climate & Energy

Spin some Fatboy Slim while checking out this retro climate model

Watch one of the first climate models in action.