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.
The general dialogue on adapting to a world affected by climate change by definition excludes the world's poorest people. And yet it's the world's poorest who are often put forward as the ones who are likely to feel the affects of climate change the most and are likely to be able to deal with them the least.
Coral reefs are often referred to as the canaries of the ocean -- because, like the canary in a mine, they give an indicator of the dangers that lie ahead. Judging by the state of coral reefs these days, if you happen to be a fish, it's not looking good for you.
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.
With 220 kilometers of Mediterranean coastline and 300 days of sun per year, Lebanon's beaches are one of the country's main assets and millions of dollars have been invested in the past few years to develop dozens of resorts along the coast.
Iraq's southern marshlands -- nearly ruined under the Saddam Hussein regime -- have been making a "phenomenal" recovery, a U.N. agency said Wednesday
Athens, host of this year's Olympics opening on August 13, has fallen short of organisers' promises for a green Games, the U.N. Environment Programme (UNEP) said.