Business & Technology

Infographic: What it would take to meet Obama's 2035 clean energy goals?

Obama wants 80 percent of America's energy to come from clean and renewable sources by 2035. But what would that really take? Mostly, it means replacing 2/3 of our coal-fired power plants with power sources …

Revival of 117-year-old canal cuts cargo emissions 65 percent

Turns out shipping by barge is crazy efficient. It's also kind of picturesque! (According to this video from CNN there are no mules anymore, but we choose to imagine mules to up the picturesqueness factor.) 

Solar could be as cheap as coal by end of decade

A report from the Chinese government asserts that solar power will be as cheap as coal by 2015. Industry watchers have already predicted that the cost of solar will drop by half by 2020, putting …

Fossil Fuels

Mark Ruffalo wants you to fight the tar sands

Actor Mark Ruffalo explains why you should join him and thousands of others in protesting the Keystone XL pipeline in Washington, D.C., on Aug. 20.

Walmart to go 100 percent renewable … in Canada

As the world's biggest, union-bustingest retailer, gigantic sack of Chinese lead paint chips Walmart has the opportunity to push more money at sustainability than pretty much anybody else on the planet. Which is why the …

'Carbon recycling' makes fuel directly from air

At Sandia National Laboratories, a giant array of mirrors heats rings of metal oxides to 2,550 degrees F, allowing a beer-keg-size reactor to produce carbon monoxide or hydrogen gas out of CO2 or water. The …

Solar-powered bulb brings both light and commerce to developing countries

Steve Katsaros, inventor of the Nokero solar-powered lightbulb, recently told CNN that he decided to sell his bulbs rather than give them away even though it runs counter to the traditional model of aid to …

Lake Michigan has become unfishable

While lobster fishermen in the Long Island Sound are stubbornly — but just barely — hanging on, people who depended on the fishing stock in the Great Lakes for their livelihood can no longer make …

Record-breaking electric car gets 1,000 miles to the charge

What's that? Could it be the whip-crack of range anxiety being dragged out back and shot?