Fri, Mar 19 2010 at 8:13 AM EST
This form of pollution contributes to carbon emissions and interferes with animal migration. Take these simple steps to reduce it.
Tue, Jan 26 2010 at 3:02 PM EST
Reduce light pollution to avoid insomnia, cataracts and other health issues -- as well as save energy and preserve ecosystems.
Tue, Jan 19 2010 at 8:11 PM EST
Study estimates $1 million in annual savings, but light pollution and LED's inability to give off heat are issues.
Tue, Dec 29 2009 at 2:25 AM EST
EcoSnoop starts a new class of vigilante green apps for the iPhone.
Mon, Oct 19 2009 at 12:12 PM EST
Astronomers think alien pollution could be the key to discovering life on other planets.
Mon, Oct 19 2009 at 11:03 AM EST
Scientists say pollution on a planet may help aliens spot an advanced civilization.
