An Uncertain Energy Transition a Century Ago
When it came to the transport of goods within local areas, it took decades for the competition among horses, electric vehicles, and gas trucks to shake out.
Marketed as Natural, this Gas is Complicated
The substitution of natural gas for coal is not a simple matter. The same concerns about climate and environment remain, along with new impacts.
The Lowdown on Municipal Trash Incinerators
Burning household trash in massive incinerators saves landfill space, but it also introduces a host of other waste management issues.
Waste-to-Energy: Sustainability Solution or Ponzi Scheme?
Waste-to-energy involves generating electricity by converting waste into gasses. Many are wondering: does it work? And is it scalable?
Running On Rice Husks—How One Entrepreneur Brought Electricity to His Village
In the rural Indian province of Bihar, Husk Power Systems is converting leftover rice husks into biofuel. Now they're building mini-power plants around the country, and expanding into Tanzania.
Nuclear Power Without the Meltdowns?
When it comes to nuclear power, one word in particular instills fear: meltdown. But what is a meltdown? Can one be avoided?
Solar Panels Get Small. Real Small.
Solar panels keep getting lighter and thinner. MIT researchers have created a solar panel so light and thin that it can rest on a soap bubble.
Falling Oil Prices are Worse for Conservation than You Think
It's not just falling oil prices but any price volatility that makes conservation a harder sell.