Todd Woody

Solar Wind Energy Tower

A Skyscraper-Sized Solar-Wind Tower Could Become North America's Tallest Structure

Can a 2,250-foot-high wind tunnel generate electricity more cheaply than coal?

Envision Solar

The Problem of Finding Electric Vehicle Charging Stations Just Got Sunnier

The solar-powered EV ARC charger has a key advantage: portability.

The Forever Battery

A Silicon Valley start-up has invented an energy storage device that could take an entire neighborhood off the grid.

Todd Woody

How China Will Dominate the U.S. Electric-Bus Market

The country is emerging as an innovator in green tech.

Associated Press

Why Your Neighbors Will Finance Solar Panels for Your Roof

A California start-up is letting anyone invest in loans to let homeowners go solar.

Reuters

The Disastrous Consequences of Europe's Huge Bee Deficit

"We face a catastrophe in future years unless we act now."

Shutterstock

California Faces a Catastrophic Drought in 2014

It could lead to spikes in food prices and more devastating wildfires. 

The World's Greenest Jail?

Plunging prices for solar panels and generous subsidies for fuel cells are prompting companies, universities, and public facilities to go green.

Associated Press

The Number of Killer Thunderstorms Could Jump 40 Percent by 2070

A first-of-its-kind study links climate change to the increasing frequency of super storms.

Associated Press

London Has Way Too Many Bees, and They're Hungry

City residents have taken to raising backyard hives, but there isn't enough pollen to support them.

Reuters

A Wild New Way to Make Money Off of Urban Trees

America's urban trees absorb 25.6 million tonnes of CO2 annually. That carbon storage is worth $50.5 billion a year, but can cities profit?