clean energy

News

Tesla Unveils Powerwall Battery For Homes, Powerpacks For Businesses And Cities

Published: 
Fri, 05/08/2015 (All day)

Tesla unveiled a line of rechargeable lithium-ion battery products on Thursday night that can use stored solar energy to power homes, businesses and communities.

News

Study shows how to power California with wind, water and sun

Published: 
Thu, 07/31/2014 - 10:13am
Category: 
Energy

Imagine a smog-free Los Angeles, where electric cars ply silent freeways, solar panels blanket rooftops and power plants run on heat from beneath the earth, from howling winds and from the blazing desert sun.

News

Solar Panel Acreage Needed to Power the Entire Planet: 158 mi x 158 mi

Published: 
Mon, 06/30/2014 - 2:41pm
Category: 
Energy

The three squares on the map, below, represent how much solar panel acreage would be needed to power Germany (marked "D"), Europe (marked "EU"), and the entire planet (marked "Welt"):

News

Crowdfunding campaign raises $2.2M to build solar roadways

Published: 
Wed, 06/25/2014 - 4:15pm
Category: 
Energy

It's crazy. It'll never work. They cost too much. They'll crack. They're too delicate. You'll slide off them. Oil companies will never let it happen.

News

Buying Into Solar Power, No Roof Access Needed

Published: 
Sat, 06/21/2014 - 10:07am
Category: 
Energy

Like many consumers, David Polstein had already done much to reduce energy use in his large Victorian home in Newton, Mass.