It's like an Easter egg hunt for grownups.
While Earth Day isn't an official holiday -- no day off work on April 22, sadly -- there will be celebrations worldwide -- tree plantings, river cleanups, trail building projects. And like most holidays, Earth Day presents ample opportunities to score a deal.
On Sunday, Target will give away 1 million reusable bags in celebration of Earth Day.
A year ago, the worst environmental disaster in U.S. history began on April 20 -- which, ironically, also marked Earth Day.
The pace at which the Greenland and Antarctic ice sheets are melting is "accelerating rapidly" and raising the global sea level, according to findings of a study financed by NASA and published Tuesday.
A plug-and-play hybrid conversion for the Lincoln Town Car is helping the ubiquitous "black car" turn green.
Using existing technologies, the world could convert almost entirely to green power by mid-century � and it wouldn't cost much more than people now spend on energy, says a new analysis of global energy use.
On the 40th anniversary of Earth Day, CNN iReporters share their visions for the world they want to live in.
William Moomaw received an unusual request on the morning of April 22, 1970.
The famed albatrosses of Midway Atoll took a beating from the tsunami, but their population will survive, say biologists on the islands.
Google Maps now features a definitive list of EV charging stations, available at the click of a mouse.