How President Nixon spied on Earth Day
April 23, 2013, 10:15 a.m. by Becky Oskin, LiveScience's OurAmazingPlanet
Nixon had order the FBI to gather information on Earth Day rallies due to concerns about 'anti-war kids.'
GIFs imagine Miami, Boston under 25 feet of seawater
April 22, 2013, 11:40 a.m. by Matt Hickman
It's Earth Day. Let these disaster movie-esque GIFs of four major cities being swallowed up by rising sea levels serve as your motivation to go out and help combat climate change.
Google Doodle for Earth Day is an interactive delight
April 22, 2013, 11:31 a.m. by Melissa Breyer
The search engine shows the globe some love in celebration of April 22.
6 surprising environmentalists
April 22, 2013, 11:03 a.m. by Marc Lallanilla, LiveScience
Here are some political leaders who, despite their conservative bona-fides, were among the most influential supporters of the environment.
Get a haircut, set a Guinness World Record, save the planet
April 20, 2013, 9:06 p.m. by Melissa Breyer
Join Aveda in setting an Earth Day world record.
Earth Day photos: Celebrating the beauty of our planet
April 19, 2013, 11:40 a.m. by Catie Leary
These stunning photos showcase the diverse collection of landscapes found across the planet.
Earth Day: A history of green awareness
April 18, 2013, 1:44 p.m.
Plus: 6 things you can do to make the planet better.