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
Foreigners
Sept. 4 2015 12:16 PM How Can This Possibly Happen? Geoffrey Sant wrote about drivers in China who intentionally kill pedestrians. Ask him anything.