Nestled among the granite peaks of eastern Hong Kong a new, man-made mountain is emerging.
Patricia Wu looks at efforts to combat food waste in Hong Kong.
CNN's Pauline Chiou goes to Hong Kong's annual toy fair to find out about the growing market for eco-friendly toys.
CNN's Liz Neisloss reports on a roof that is only a sample of the greening of Singapore's skyline.
It's an endless task cleaning the nuclear fallout at Japan's Fukushima plant, as CNN's Alex Zolbert reports.
The village of Iitate in Japan's Fukushima prefecture was once home to 6,000 people.
Two years ago, the sight of pristine-looking peas that had arrived all the way from Kenya to London made an impression on a would-be entrepreneur, Jenny Dawson. The peas had been tossed aside at a wholesale food market, getting ready to be sent to the landfill.
Last month the Cambodian government announced their plans to build a dam on one of the Mekong River's most important tributaries, the 3-S River Basin, in 2014. This was declared just five days before the government of Laos held their ceremony to launch the construction of the controversial Xayaburi dam, the first dam to be built on the lower Mekong River.
Wood as a building material is having a real comeback in contemporary Scandinavian design. Bent into minimalistic circular structures and sculptural forms, it is used with surprising results thanks to engineering and technical innovations. Offering a wealth of aesthetic possibilities, timber is now being hailed as the concrete of 21st Century.
At nearly the length of four football pitches, the container ship Eugen Maersk takes some stopping when traveling at full speed -- around 7 kilometers (4.3 miles) before it can come to a complete halt.
CNN's Liz Neisloss reports on how and why the shipping industry is trying to clean up its act.
Liz Neisloss reports on Singapore's first venture into using vertical farming to grow crops sustainably.
Less than 20 miles from Singapore's skyscrapers is a completely different set of high-rise towers.
The Pitcairn Islands might only have 55 human inhabitants, but the waters surrounding them are teeming with marine life.
Biofuel made from sugar cane waste in Brazil could revolutionize the global energy industry.
A combination of social responsibility and smart design defines the work of Yves Behar. Ayesha Durgahee reports.
As electric cars try to forge more than just a niche in the market, the auto industry is already looking to another form of clean technology that could overtake today's battery-powered vehicles.
CNN's Schams Elwazer shows how architects turned to traditional Islamic designs to make buildings more sustainable.
In designing modern and sustainable buildings in the United Arab Emirates, architects are taking cues from an ancient Arabic design tradition.
In a region known for its towering skyscrapers, the erection of a modestly-sized greenhouse might not appear worthy of much attention.
One man's artistic vision is distracting divers from Cancun's threatened underwater ecosystem.
Lake Victoria, Africa's largest lake, has been plagued by water hyacinth plants for over two decades. While its flowers can be beautiful its foliage can grow to cover large swaths of the waters in a dense green mat of leaves that choke the shoreline of fish.
Kenya's Lake Victoria is threatened by a weed that is suffocating the underwater ecosystem. CNN's David McKenzie reports
A company in Miami is promoting prefab housing as a way to not live smaller, but smarter. CNN's John Zarrella reports.
A recent survey of the Coral Sea and Great Barrier Reef has found coral flourishing in deep waters, a stark contrast to the shallower reefs that have seen a drastic decline over the last few decades.
Is it possible to kill pests without killing the planet? CNN's Ramy Inocencio reports
Wildlife lobbyists are mounting an online campaign to urge Vietnam's prime minister to reprieve an animal sanctuary threatened with closure.
London's abandoned rail and tube lines have been put to many novel uses down the years functioning as bomb shelters, impromptu party venues and film sets for Hollywood movies.
CNN's John Zarrella shows us how the fishing industry is adapting to meet the needs of the planet and the bottom line.
The American crocodile is making a comeback. CNN's John Zarrella reports.
Australia's environment minister has conceded that years of neglect have contributed to a devastating drop in coral coverage on the Great Barrier Reef along the country's north eastern coast.
Sea-levels are rising unevenly around the world, with Pacific countries in particular suffering significant increases over the past two decades, according to accurate new satellite data.
Macau's biggest resort wants its footprint to be limited going forward. CNN's Kristie Lu Stout reports.
Buffalo boosts bird life at WWF's flagship Hong Kong reserve. CNN's Kristie Lu Stout explains.
Oil companies could soon be using an innovative new technique involving nanotechnology and magnets to help clean up offshore oil spills.
MIT researchers say they have found a method of recovering oil after a spill using magnets and nanotechnology.
He provided the sense of dread to Martin Sheen's journey upriver in "Apocalypse Now," but for musician and "soundscape ecologist" Bernie Krause the authentic sound of the wild can be more disturbing than any synthesized film score.
Bernie Krause has recorded the natural world for decades and warns humans must pay better attention to the living world.
A growing religion in southern Africa is posing a threat to the survival of wild leopards.
A South African conservationist challenges tradition and religion over the use of leopard skins. Nkepile Mabuse reports.
The 100 most endangered species on the planet have been identified in a first-of-its-kind list.
Scientists are testing a natural solution to New York's Bronx River pollution. CNN's Kristie Lu Stout reports
Taking the devilish element out of one of Australia's most iconic but endangered animals could save it from extinction.
CNN's Liz Neisloss reports on how Singapore is bringing sustainable housing to a new level.
Last week, while most of the western world was focused on the approaching presidential election in the United States and a potentially disastrous hurricane making landfall in New Orleans, a group of seemingly small nations gathered on the Island of Rarotonga and changed the world.
Singapore's first public housing blocks built to be environmentally sustainable have become the testing ground for future projects.
Professor David Carroll has developed a fabric-like material that generates electricity. CNN's Anna Coren reports.
It's a new idea which could resonate with communities across the developing world -- a biomass stove which also generates electricity using sound waves.
In Japan's first summer without nuclear power, everyone is doing their part to conserve. CNN's Kristie Lu Stout reports.
Bruno Pieters has designed the first entirely transparent sustainable fashion label as CNN's Diana Magnay finds out.
China's legions of scrap peddlers could soon be replaced by a mechanical rival - recycling Eunice Yoon reports.
Blasting air conditioning is a waste of energy, but some malls in Hong Kong have pledged to turn up their thermostats.
A "smart village" aimed at tackling rural poverty while promoting community and sustainability has been unveiled in Malaysia.
En India descubren una opción prometedora de biocombustibles.
A South African surfer survives a shark attack. CNN's Nkepile Mabuse reports.
Forget the extreme environmental campaigns involving chaining oneself to an oil refinery or egging local politicians. The next big thing of environmental campaigning? Aesthetics.
Political consensus was hard to find at last month's Rio +20 Earth Summit but there was at least one group speaking with unity on the planet's environmental and economic future.
A new building in Hong Kong is raising eco-friendly awareness.
Despite their green credentials, electric cars still come up short against their petrol-powered cousins when it comes to range -- how far they go before the battery needs recharging.
CNN's Reza Sayah reports on a solar power project in Pakistan that has changed lives.
Living in a house made from shipping containers isn't exactly everyone's idea of a dream home.
Students in Singapore build the ultimate fuel-efficient car that can go as far as possible on a single liter of fuel.
Floating wind farms could soon be powering thousands of European homes after a prototype seaborne turbine sailed through technological trials off the coast of Agucadoura, Portugal.
An Indian scientist invents a contraption he says can help solve the world's global warming issues using algae.
An unassuming town on the southern tip of South Korea is an unlikely place for one of the world's most advanced buildings.
A Taiwanese company has made millions by turning trash into everyday objects.
Australia plans to create the world's largest network of marine reserves, its government announced Thursday.
Money invested in renewable energy reached new heights last year, topping $257 billion.
It could be an alien spacecraft or a 21st century version of Captain Nemo's Nautilus from Jules Verne "20,000 Leagues Under the Sea," but in fact it's a live-aboard, ocean-going laboratory that could be exploring the seas as soon as late next year.
Scientists in the Arctic have discovered the largest ever under-ice bloom of phytoplankton, likening the discovery to "finding the Amazon rainforest in the middle of the Mojave Desert."
A hydrogen car powered by a solar-run fueling station may be the future of eco-cars. CNN's Kyung Lah reports.
A retired engineer's invention is keeping his community from becoming climate refugees. CNN's Sumnima Udas reports
A 30-meter- turbine anchored to the seafloor off the Scottish coast is proving that tidal farms are a turn closer to being a viable renewable energy source.
A group of architects gathered in Oxford, England last month with an unusual brief -- to design the ultimate dream home for bats.
Developers say New Delhi's GreenSpaces office complex will be the world's greenest commercial building.
A marine expedition of environmentalists has confirmed the bad news it feared -- the "Great Pacific Garbage Patch" extends even further than previously known.
A tough-guy mayor turns around his city with eco-tourism. CNN's Kyung Lah reports.
In the slums of the Kenyan capital, Nairobi, visiting the bathroom usually means one of two things; a trip to the local pit latrine or the 'flying toilet'.
Some Himalayan glaciers are growing, but climate scientist Rajendra Pachauri says climate change remains a big problem.
As a former Royal Navy officer, keen angler and the UK's heir apparent, it makes sense that Prince Charles would be inclined to worry about the future of fish and chips.
Human concepts of beauty are shaping conservation efforts, protecting good-looking plants and animals over ugly ones, a study suggests.
An invention allows drivers to beat the heat in traffic while cutting off their engines and helping lessen pollution.
Tech giants Apple and Google may get an unofficial A grade when it comes to stock price, but they can only manage a D grade when it comes to sustainability.
CNN's Kyung Lah reports on how the Philippines hopes to reduce pollution, one ecofriendly motorbike at a time.
Wind turbines have long produced renewable energy but a French engineering firm has discovered another eco-purpose for the towering structures.
Organic farming is widely perceived to be a healthy, more environmentally-friendly alternative to conventional agricultural techniques.
It's an illuminating idea which its creators hope will help drive up energy efficiency and bring down buildings' carbon emissions.
A new iPhone app is making waves in the commercial shipping world by providing an early warning system that aims to reduce maritime collisions with endangered whales.
CNN's Nkepile Mabuse reports on a successful fashion designer who suddenly became a devoted conservationist.
Thermal imaging cameras show how much energy some British buildings waste.
One of the UK's most critically endangered butterflies is making a comeback thanks to a profit making partnership between private landowners and conservation organizations.
CNN's Maggie Lake learns that having a green thumb is something you can hone from the comfort of your own window.
Shasta Darlington visits a Brazilian town held up as an environmental model after being blacklisted for deforestation.
Sandwiched between Hong Kong and Shenzhen -- two of the world's busiest metropolises -- lies a Cold War-era anomaly: a 26 square kilometer green zone that is home to isolated villages, fishponds and flocks of migratory birds.
This might sound a bit nutty, but U.S. researchers are using robot squirrels to learn more about how real ones interact with their main predator, rattlesnakes.
"Go to work on an egg" was the slogan of a successful British television advert and "green chemists" from the UK are doing just that with plans to create plastics made from eggshells.
Bulldozers clearing mountains of wreckage and rubble have been a common sight in Japan's Tohoku region.
Engineers in Malaysia turn an old landfill into a green energy model for the future.
A new satellite study of ice shelves in West Antarctica has revealed they are steadily losing their grip with adjacent land and could intensify the acceleration of ice loss in the area.
Coastal areas that ban fishing can provide havens for endangered wildlife, according to a new report.
Hong Kong's glass recycling rate is only 3%, but one woman is trying to change local attitudes and government policy.
Gorillas put off their food and stressed out orangutans, could nature tourism be bad for wild animals' health?
The recent announcement by the United Nations that 89% of the world's population (6.1 billion people) now has "sustainable access to safe drinking water" was described by Secretary General Ban Ki-moon as a "great achievement for the people of the world."
This April, in Washington D.C., ministers from developed and developing countries will discuss how we can prevent the unnecessary deaths of over a million children a year.
A new World Bank study on illegal logging reports that a football field of forest is clear-cut every two seconds around the globe and the problem is now a "global epidemic."
Brazil forest code pits environmentalists against farmers. Shasta Darlington visits the country's agricultural frontier.
A new World Bank study on illegal logging reports that a football field of forest is clear-cut every two seconds around the globe and the problem is now a "global epidemic."
It's harvest time in the heart of Brazil. Top-of-the-line John Deere tractors carve up vast soybean fields, sucking in dry pods and leaving a trail of dust.
Instead of concrete jungles could our cities become urban forests of wooden skyscrapers?
Santino Sena wades through a knee-deep swamp, snatching up green seeds about the size of ping-pong balls that float on the surface of the water.
Brazilian ranchers forced to replant after deforestation turn to seed collectors. CNN's Shasta Darlington reports.
Brazil stands at a crossroads in its efforts to preserve the Amazon rainforest as the government considers controversial legislation governing land use.
CNN's John Zarrella reports the Everglades' problem with python invaders may be worse than imagined.
This chimp and the rest of a unique population of great apes should be hanging around a bit longer thanks a new conservation commitment in Africa.
Building a home with a floor beneath ground on a plot next to a flood-prone river might seem like a recipe for disaster. But not when it's designed to float.
Pay-as-you-go products may be synonymous with mobile phones but a solar energy service in Africa is harnessing the popular business model to bring affordable electricity to the continent's remotest communities.
An artist and inventor creates a bicycle from recycled plastic in Brazil's biggest city. CNN's Shasta Darlington reports
There's no taking out the trash at restaurants in Steamboat Springs, Colorado. CNN's Reynolds Wolf finds out why.
Stopping the illegal rhino horn trade to Asia means turning to technology, Pauline Chiou reports
Vertical gardens are cropping up all over cities these days, transforming drab urban facades into vibrant jungles of color.
CNN's Anna Coren looks at the advantages of sustainable building materials and agricultural products.
A little over ten years ago the coral reefs of Pemuteran Bay in Bali, Indonesia, were in a state of terminal decay.
A new species of catfish discovered in a river deep in a South American jungle has an ingenious way to avoid being a snack for giant piranhas. Instead of camouflage, its body is covered with bony spines to deter potential predators.
A new species of seahorses has the fishing port of Mar del Plata talking about the environment, as Diego Laje reports.
CNN's Pauline Chiou explores the impact of Asia's live reef fish trade.
Containing or preventing a flood from an overflowing river is no small task, but north of Tokyo, a solution is in place.
It is an unlikely collaboration: She is a fashion designer whose creations have been worn by Madonna, Michael Jackson and Prince while he is a world-renowned polymer chemist.
Paris is getting greener and it has nothing to do with spring., as Jim Bittermann reports
CNN's Sara Sidner looks at how Bhutan is striving to find the middle path in the development versus environment debate.
A bikini that can power an iPod and a backpack that charges a mobile phone are just two of the more eccentric examples of solar-powered products to be developed in recent years.
On a brownfield site in east London, not far from the site of the 2012 Olympic Park, a new green vision is emerging from the ashes of the UK capital's dirty industrial past.
As a hangover "cure," they don't come more brutally disturbing than bear bile.
¿Qué podemos hacer para tener unas fiestas más ecológicas? (12 diciembre)
A village in Bali, Indonesia, turns tourist waste into jobs. CNN's Kristie Lu Stout reports.
In the unforgiving dry lands outside Lima a war against the desert is being waged with an unusual weapon. Where for years and years only parched land could be seen, patches of green have now appeared and roses are replacing some of the thorny desert plants.
Stretching out across the peaceful waters of the River Tweed in Peeblesshire, Scotland, the Dawyck Estate river crossing is an unlikely record breaker.
Peruvians living in the desert find an ingenious way of producing water. CNN's Rafael Romo reports.
Hong Kong police patrol on electric bikes. CNN's Kristi Lou Stout reports.
Asia's oldest hotel chain has waded into the debate on the slaughter of sharks for their fins by taking the Chinese delicacy off its menus.
Gary Locke is the new U.S. ambassador to China, and he's finding one aspect of Beijing very challenging: air quality.