Here are the finalists in Slate's energy-efficiency crowdsourcing contest. Please vote for your favorite.

Here are the finalists in Slate's energy-efficiency crowdsourcing contest. Please vote for your favorite.

The Hive
Collective wisdom.
April 12 2010 8:03 AM

Twelve Ideas. Choose the Best One.

Here are the finalists in Slate's energy-efficiency crowdsourcing contest. Please vote for your favorite.

Jenny Rogers is a Slate intern.

  Slate Plus
Slate Plus
Aug. 28 2015 12:31 PM What Happened at Slate This Week? International affairs writer Joshua Keating on what to read to understand the apparently permanent slowdown of the Chinese economy.