The destruction of the world's mangrove forests is happening up to four times faster than the world's land-based forests, according to a new United Nations report.
The epic voyage of Plastiki is bringing into sharp focus the inordinate environmental and economic impact that humanity is having on the oceans and seas.
Ever since the Industrial Revolution in the 18th and 19th centuries it seems the barometers of success and modernity within society have been measured by our interaction, or lack of interaction, with the natural world.
The champions at the Winter Olympic Games in Vancouver can stand on the podium proud of their achievements, but the eco-minded among them can be extra proud that their medals are made with traces of precious metals recovered from e-waste.
The word "green" has become a vague and overused marketing term for something that's supposed to be good for the environment.
It is an unusual art auction where making money isn't a great concern. But that is the case this weekend when a series of paintings go on the block with the purpose of drawing attention to climate change.
A new U.N. report urges countries to phase out energy subsidies, saying they often waste money, do not always help the poor and are bad for the environment
Scientists say the number of coastal dead zones has doubled since 2006, to the detriment of already troubled fisheries
True or False: The largest collection of plastic waste on earth is in the North Pacific, spanning an area twice the size of the U.S.
It is commonly said that we know more about the Moon than the deep blue sea.
New eco-fishing techniques can save Indonesia's precious underwater life. CNN's Arwa Damon reports.
Some 220 square miles (570 square kilometers) of ice has collapsed in Antarctica and an ice shelf about the size of Connecticut is "hanging by a thread," the British Antarctic Survey has said, blaming global warming.
If you fix the cities, do you fix the problem? With 50 percent of the entire human race currently living in cities and responsible for emitting up to 80 percent of all global carbon dioxide (CO2) emissions every year, they certainly don't seem a bad place to start.
Here's a fact that may surprise people: Garbage collecting is one of the most dangerous jobs you can do.
A Singapore garbage dump is becoming a hotspot for wildlife and eco-tourists. CNN's Andrew Stevens takes a closer look.
They've become as much a symbol of Africa's landscape as the stereotypical lions and plains.
Iraq's southern marshlands -- nearly ruined under the Saddam Hussein regime -- have been making a "phenomenal" recovery, a U.N. agency said Wednesday