In Colorado and Washington, voters recently approved measures to legalize the recreational use of marijuana. Supporters say legalization will generate tax revenue, move the trade into the open, and free up law enforcement resources.
Imagine going to college and finding an oil rig on campus. That's becoming increasingly likely as oil and gas companies use a controversial technique commonly referred to as fracking to extract resources from land underneath campuses across the country.
Environmental science professor Jeffery Stone will never forget the day the earth shook on Indiana State University's campus in Terre Haute.
"They did it like in eight-second pulses, and you could feel the whole sidewalk wobble like an earthquake almost," Stone says.
Presidential pardons usually take the world by surprise. There's no advance notice — the White House just sends out an announcement with the names of those receiving clemency. Thanksgiving is one lighthearted exception.
On Wednesday, President Obama will once again take part in the traditional turkey pardoning at the White House. But while the business of pardoning humans is more serious, it's also increasingly rare.
New York City lost almost 10,000 trees from the winds of Superstorm Sandy and the nor'easter that followed. That's far more trees lost in the city than in any other storm for which tree damage was recorded.
Walking through Central Park, Ken Chaya peers past a stone arch, observing the damage and uprooting of about 800 trees. He knows more about the park's trees than just about anybody else; he created a map that charts every single one of the roughly 20,000 trees.
If you haven't heard, yesterday was World Toilet Day, and its sponsors, the Water Supply and Sanitation Collaborative Council and the World Toilet Organization, suggest you take a moment to consider the profound luxury of good sanitation. A mind-boggling 2.6 billion people on Earth don't have toilets, and WSSCC and WTO are among the parties set on bringing that number down.