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Children of the black dust

As she cleans the carbon rods from exhausted D-cell batteries, Marjina holds her young child on her lap and gently lulls her to sleep.

Global warming threatens tropics

If you can't stand global warming, get out of the tropics.

Hawking: If we survive the next 200 years, we should be OK

Professor Stephen Hawking, one of the world's great scientists, is looking to the stars to save the human race -- but pessimism is overriding his natural optimism.

Turning carbon dioxide into fuel

You might have thought that recycling is limited to paper, plastics and glass. Well, think again. A Californian company is developing a new technique for recycling carbon dioxide, or CO2, and turning it back into fuel.

Sowing the seas

Atmospheric physicist Carl Hodges founded the Seawater Foundation in 1977 in an attempt to alleviate some of the world's most complex ecological problems. Hodges' unique approach draws seawater inland, irrigating otherwise barren coastal desert regions and turning them green.

Flight of the penguins: Rescuers return wayward birds home

Flying penguins are unusual. Especially when they fly on a C-130 Hercules military plane.

Are sonar tests harming whales? The Supreme Court weighs in

The Supreme Court appeared conflicted Wednesday as it juggled national security and environmental concerns in a case over whether the U.S. Navy is doing enough to protect whales from underwater sonar tests it conducts.

Meltdown: A global warming travelogue

For a long time -- the first 15 years that we knew about global warming and did nothing -- there were no pictures. That was one of the reasons for inaction.

Glowing jellyfish earns Nobel Prize

Research into the mysterious green glow of a jellyfish earned three scientists this year's Nobel Prize for Chemistry, the Nobel Foundation announced Wednesday.

Ozone hole grows in 2008

The ozone hole over Antarctica in 2008 is larger in both size and ozone loss than last year, but not as large as in 2006, the European Space Agency said Tuesday.

Children of the black dust

As she cleans the carbon rods from exhausted D-cell batteries, Marjina holds her young child on her lap and gently lulls her to sleep.

Global warming threatens tropics

If you can't stand global warming, get out of the tropics.

Hawking: If we survive the next 200 years, we should be OK

Professor Stephen Hawking, one of the world's great scientists, is looking to the stars to save the human race -- but pessimism is overriding his natural optimism.

Turning carbon dioxide into fuel

You might have thought that recycling is limited to paper, plastics and glass. Well, think again. A Californian company is developing a new technique for recycling carbon dioxide, or CO2, and turning it back into fuel.

Sowing the seas

Atmospheric physicist Carl Hodges founded the Seawater Foundation in 1977 in an attempt to alleviate some of the world's most complex ecological problems. Hodges' unique approach draws seawater inland, irrigating otherwise barren coastal desert regions and turning them green.

Flight of the penguins: Rescuers return wayward birds home

Flying penguins are unusual. Especially when they fly on a C-130 Hercules military plane.

Are sonar tests harming whales? The Supreme Court weighs in

The Supreme Court appeared conflicted Wednesday as it juggled national security and environmental concerns in a case over whether the U.S. Navy is doing enough to protect whales from underwater sonar tests it conducts.

Meltdown: A global warming travelogue

For a long time -- the first 15 years that we knew about global warming and did nothing -- there were no pictures. That was one of the reasons for inaction.

Glowing jellyfish earns Nobel Prize

Research into the mysterious green glow of a jellyfish earned three scientists this year's Nobel Prize for Chemistry, the Nobel Foundation announced Wednesday.

Ozone hole grows in 2008

The ozone hole over Antarctica in 2008 is larger in both size and ozone loss than last year, but not as large as in 2006, the European Space Agency said Tuesday.

Commentary: Candidates should come clean on coal

The Wall Street crisis notwithstanding, coal continues to embroil the presidential campaign into knots unlike any other issue in the swing states of Ohio, Pennsylvania, Virginia and West Virginia.

Three physicists share Nobel prize

An American physicist and two physicists from Japan will share this year's Nobel Prize in Physics, the Nobel Foundation announced Tuesday.

Scientist: Holographic television to become reality

Picture this: you're sat down for the Football World Cup final, or a long-awaited sequel to the "Sex and the City" movie and you're watching all the action unfold in 3-D on your coffee table.

Caring for the planet

Study: 1 in 4 mammals at risk of extinction

Nearly a fourth of the world's mammals are threatened with extinction, a leading international conservation group said Monday as it unveiled its latest global study of the problem.

1 in 4 mammals at risk of extinction, scientists say

Conservationists have taken the first detailed look at the world's mammals in more than a decade, and the news isn't good.

An eco-friendly way to cool big trucks

A truck stop is an assault on the senses, especially on a hot summer day. There's the smell of diesel, the taste of exhaust fumes and the nerve-jangling, ever-present rumble of truck engines -- even when the drivers are asleep.

Hurricane Ike yields fossil in yard

A paleontologist whose beachfront home in Texas was destroyed during Hurricane Ike has found a football-size tooth in the debris.

Birds abandon Ike's devastation, leaving silence

One of North America's renowned bird migration and birdwatching areas is strangely silent.

Dreaming of a climate bailout

Governments around the world continue to pump billions of dollars into financial markets, but there is still no telling whether the "injections of liquidity" will be enough to prevent "this sucker" -- to quote the President of the United States -- from going down.

Pandas at China zoo fed chicken soup for health

Everyone needs some chicken soup for the soul -- even pandas.

Cincinnati wants more vegetation on Ohio rooftops

Officials want to see more green roofs on building tops in Cincinnati.

Scientists trace AIDS virus origin to 100 years ago

The AIDS virus has been circulating among people for about 100 years, decades longer than scientists had thought, a new study suggests.

Future player: Alexandra Cousteau

If ever there were a person born to be a champion of the environment, it's Alexandra Cousteau. Her father is the enigmatic environmentalist Philippe Cousteau and her grandfather is legendary French explorer Jacques-Yves Cousteau.

Board: Lives lost 'needlessly' in medical helicopter crashes

Investigators are again on the scene of a fatal medical helicopter crash. Four people were killed Saturday night in suburban Washington when the chopper operated by the Maryland State Police went down in a park.

Hybrids trick out, plug in

The owner of Luscious Garage is wondering whether the electric wall outlet will be the "gas tank" of the future.

Board: Lives lost 'needlessly' in medical copter crashes

Investigators are again on the scene of a fatal medical helicopter crash. Four people were killed Saturday night in suburban Washington when the chopper, operated by the Maryland State Police, went down in a park.

Celebrities embark on climate change voyage

If the craggy, icy west coast of Greenland doesn't inspire them, perhaps Vanessa Carlton's vodka infusions will.

Face to Facebook: social networks hit the streets

Every day, millions of people use social networking sites like MySpace and Facebook to stay in touch with friends, make business contacts and procrastinate at work.

Chicago debate: Facing up to the challenges of climate change

Tackling climate change and its consequences is the challenge of our generation.

Wanted: amateurs to help track earthquakes

Earthquake scientists want to borrow your laptop or maybe a little space in your basement or garage.

Face to Facebook: social networks hit the streets

Every day, millions of people use social networking sites like MySpace and Facebook to stay in touch with friends, make business contacts and procrastinate at work.

Carbon dioxide output jumps to record level in 2007

The world pumped up its pollution of the chief man-made global warming gas last year, setting a course that could push beyond leading scientists' projected worst-case scenario, international researchers said Thursday.

Gore calls for coal plant protests

Former vice president and environmental campaigner Al Gore has urged young people to protest against new coal-fired power plants that don't use carbon capture and storage technology.

A new era for wave energy

The renewable energy sector has received a boost with the inauguration of the world's first commercial wave power project off the Portuguese coast.

Atom smasher will have to wait until spring

The European nuclear research organization says repairs and the onset of winter will delay the startup of the world's largest particle collider until spring.

Rubber ducks aid NASA study

As an organization they're used to investing billions of dollars in scientific experiments that further our knowledge of earth and space. But the only bill to speak of on this occasion is orange and attached to the body of a rubber duck.

Ocean debris expected to get worse

A new report has determined current measures to prevent and reduce ocean debris are inadequate and the problem will likely worsen.

Large Hadron Collider down for 2 months

The world's largest atom smasher, which was launched with great fanfare earlier this month, is more badly damaged than previously thought and will be out of commission for at least two months, its operators said Saturday.

Planet is running out of clean water, new film warns

One sixth of the world's population does not have access to clean drinking water. More than 2 million people, most of them children, die each year from water-borne diseases.

Can 'small wind' reap big rewards?

Micro wind turbines are beginning to pop up all over our urban and rural landscapes. But is it worth investing your hard-earned cash in your very own wind machine? In short, it depends. Take a look at our quick guide to see if "small wind" could help you reduce your energy bills and your carbon footprint.

Planet is running out of clean water, new film warns

One sixth of the world's population does not have access to clean drinking water. More than 2 million people, most of them children, die each year from water-borne diseases.

A crafty way to beat the chain stores

We've become used to a world where what we buy is determined by what products are stocked by a handful of chain stores, but there are signs that may be changing. The future could be one of thriving cottage industries and skilled artisans lovingly producing custom-made wares.

Collider's transformer breaks, halts experiment

A 30-ton transformer that cools the world's largest particle collider malfunctioned, forcing physicists to stop using the atom smasher just a day after launching it to great fanfare, the European Organization for Nuclear Research said Thursday.

Orbiting satellite to help count California rats

Scientists plan to use satellite photos to count Giant Kangaroo Rats, the first-ever monitoring of an endangered species from outer space.

Grizzly bear rebounds from extinction in Montana

The majestic grizzly bear, once king of the Western wilderness but threatened with extinction for a third of a century, has roared back in Montana.

Smithsonian to put its 137 million-object collection online

The Smithsonian Institution will work to digitize its collections to make science, history and cultural artifacts accessible online and dramatically expand its outreach to schools, the museum complex's new chief said Monday.

Mash-up makers move into the mainstream

Think it, find it, match it, mash it!

The future of gaming is all in the mind

Be excited, but be scared. A world of mind-blowing possibilities is suddenly being thrust upon the world of video gaming.

Group: Melting Arctic shows need for climate pact

Data showing Arctic sea ice may reach its lowest level on record this summer underscores the need for governments to speed up talks on a new climate pact, the Worldwide Fund for Nature said Monday.

Melting Arctic shows need for climate pact, group says

Data showing Arctic sea ice may reach its lowest level on record this summer underscores the need for governments to speed up talks on a new climate pact, the Worldwide Fund for Nature said Monday.

'Hurricane chaser' filming Ike's landfall

With at least three video cameras trained on the Gulf of Mexico and floodwaters rising around him in Galveston, Texas, Mark Sudduth prepared Friday to ride out Hurricane Ike from a hotel room on the city's wind-whipped oceanfront.

Pilot makes first night-goggle Antarctic flight

A U.S. Air Force pilot has landed a plane in Antarctica in the dark for the first time using night-vision goggles, a feat that could lead to more supply flights to scientific bases in the frozen continent during its dark winter months, officials said Friday.

Airplane hostel prepares for lift-off

The creators are billing it as one of the coolest hostels in the world and it's undoubtedly one of the most novel overnight stays you are ever likely to experience. Welcome to the Jumbo Hostel -- an old Boeing 747 which is being converted into a 25-room hostel at the Stockholm-Arlanda airport.

'Extinct' frogs survive devastating fungus

A tiny frog species thought by many experts to be extinct has been rediscovered alive and well in a remote area of Australia's tropical north, researchers said Thursday.

City aims to make money from poo power

The city plans to turn the stench of its residents' waste into sweet green cash and renewable energy.

Cleaner coal stokes green debate

Twenty four hours before the greatest scientific experiment of our time gets underway at CERN's Large Hadron Collider, political and scientific dignitaries assembled at a site a few hundred miles north east of the French/Swiss border at a site in Germany to inaugurate another groundbreaking engineering test.

Offshore wind farms may line U.S. coast

Visitors to Rehoboth Beach, Delaware, soon may be greeted by more than sand dunes, seagulls and beach umbrellas.

Engineering a hurricane-proof roof

The fears that Hurricane Gustav would turn into another human catastrophe on the scale of Katrina in 2005 have mercifully not been realized.

Zoos help rare animals find mates online

Attention, amorous guys: Killarney's an Australian cutie, but woo her with care.

'Guitar Hero' guru makes music with robots

What does yours sound like?

Asia pollution may boost U.S. temperatures

Smog, soot and other particles like the kind often seen hanging over Beijing add to global warming and may raise summer temperatures in the American heartland by three degrees in about 50 years, says a new federal science report released Thursday.

4,500-year-old ice shelf breaks away

A chunk of ice shelf nearly the size of Manhattan has broken away from Ellesmere Island in Canada's northern Arctic, another dramatic indication of how warmer temperatures are changing the polar frontier, scientists said Wednesday.

Fashion guru sees green

Wayne Hemingway is the English designer who made his name with trendy fashion label Red or Dead. Often outspoken, and known for his green values, Hemingway now designs housing projects -- and he's on a mission to change how we think about sustainable housing.

Trading the carbon market

Debate is rife in Australian political circles about whether carbon trading is the way forward for climate change abatement.

The science of tracking Gustav

Hurricanes can be some of the deadliest forces of nature, but they also follow a set of patterns and rules when they form.

Quick-witted flies can 'detect swatter threat'

Flies always appear to be a step ahead of the swatter. And now scientists believe they know why.

Arctic ice at second-lowest level ever

New satellite measurements show that crucial sea ice in the Arctic Ocean has plummeted to its second-lowest level on record.

'Junk' raft ends pollution awareness mission

Tanned, dirty and hungry, two men who spent three months crossing the Pacific on a raft made of plastic bottles to raise awareness of ocean debris finally stepped onto dry land.

Cows' compass is pure animal magnetism

Talk about animal magnetism, cows seem to have a built-in compass.

DNA testing uncovers suspect sushi

Two teenage girls used DNA bar coding to determine that some sushi on New York dinner plates was mislabeled with cheaper fish being passed off as a more expensive species.

Eco communities: Living the green life

The term "eco community" might conjure up an image of bearded hippies tending an allotment before sharing a mung bean stew. But as today's urbanites become more concerned about reducing their carbon footprints, some are finding that modern eco communities offer them a way to live sustainably without foregoing their home comforts.

Climate chief warns against 'tragic' inaction

The head of the Intergovernmental Panel on Climate Change has described as "tragic" the lack of action on climate change by developed countries.

Study: Organic food not more nutritional

If you've ever found yourself in your local supermarket agonizing about whether the organic apples will be a more nutritional and greener choice than the cheaper non-organic ones, you're probably not alone.

The smart money's on green

Despite taking a beating from the credit crunch, the clean energy sector is being tipped as a golden opportunity for investors.

Gulf 'dead zone' suffocating fish and livelihoods

Fisherman Terry Pizani turns his captain's wheel with a mournful expression on his face. Far below, the fishing grounds off the Louisiana coast where the 63-year-old has made a living for five decades have become an aquatic graveyard known as a "dead zone."

Ocean 'dead zones' becoming global problem

Like a chronic disease spreading through the body, "dead zones" with too little oxygen for life are expanding in the world's oceans.

Remains of children found in 'green Sahara'

A tiny woman and two children were laid to rest on a bed of flowers 5,000 years ago in what is now the barren Sahara Desert.

Lab makes renewable diesel fuel from E. coli poop

Fossil fuels that keep our planet running -- oil, natural gas and coal -- were created from the decomposition of plants, plankton and other organic material over millions of years.

Fueling cars with waste

Imagine if cars ran on household waste, if gas tanks were filled with ethanol made from wood chips. Well, the technology to make it happen is already a reality and companies are now racing to bring this kind of fuel to a gas pump near you.

Lab makes renewable diesel fuel from E. coli poop

Fossil fuels that keep our planet running -- oil, natural gas, and coal -- were created from the decomposition of plants, plankton and other organic material over millions of years.

Bush could weaken Endangered Species Act

Parts of the Endangered Species Act may soon be extinct.

Scientists say they're closer to invisibility material

Scientists say they are a step closer to developing materials that could render people and objects invisible.

Researchers: Car exhaust may be used for power

The stinky, steaming air that escapes from a car's tailpipe could help us use less gas.

Barbadians slam snake 'discovery' as old news

A small snake has sparked a big debate in Barbados.

Human remote control may spell end for teachers

Teachers and textbooks beware -- your future could be under threat from a quickly developing and very smart technology.

Grass is greener in biofuel future

Researchers in the United States are buoyed by the results of a study which has determined that a giant grass could help the country to meet its steep biofuel targets.

Lizard love: 110-year dinosaur descendant to become daddy

At well over 100 years old and showing no interest in sex for over four decades, Henry is on his way to becoming a dad.

Puppies mark birth of commercial pet cloning

A U.S. woman received five puppies Tuesday that were cloned from her beloved late pitbull, becoming the inaugural customer of a South Korean company that says it is the world's first successful commercial canine cloning service.

Are we heading for a human-powered future?

Would you still watch your favorite television program if you had to cycle for an hour before you could view it?

Building affordable solar water heaters

In spring 2007, University of California Berkeley Energy and Resources Group professor Ashok Gadgil challenged students in his Design for Sustainable Communities class to come up with an affordable and efficient solar water heater that could be used in low-income households.

Green homes a growing trend

The bathroom tiles are recycled wine bottles. The hardwood floors are sustainable bamboo. And the sprawling garden gets sprinkled with rainwater collected in 300-gallon (1,135-liter) barrels.

Climate campers pitch tents to protest 'insanity'

The site has been secured, the tents pitched, banners raised and, most importantly, compost loos installed; there is little to do now but wait for thousands of campers to arrive for one of Britain's biggest environmental protests this year.

Scientist: World's tiniest snake found in Barbados

A U.S. scientist said Sunday he has discovered the globe's tiniest species of snake in the easternmost Caribbean island of Barbados, with full-grown adults typically stretching less than 4 inches (10 centimeters) long.

Electronic nose could spark end of sniffer dogs

Sniffer dogs have long been a useful tool in the search for hidden drugs and explosives, but the future looks bleak for man's best friend as scientists seek to develop a new ultra-sensitive electronic nose device.

'Exercise pill' burns fat -- if you're a mouse

Here's a couch potato's dream: What if a drug could help you gain some of the benefits of exercise without working up a sweat?

Hidden van Gogh painting unveiled for first time

A team of European scientists unveiled on Wednesday a new method for extracting images hidden under old masters' paintings, recreating a color portrait of a woman's face unseen since Vincent van Gogh painted over it in 1887.

Briefing: Climate change

Human-induced climate change is thought to be one of the greatest challenges facing mankind in the 21st Century. A change in temperature of only a couple of degrees has the potential to adversely impact economies, communities and ecosystems throughout the world.

Artists, fans, iReporters flock to Comic-Con

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