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Eagle to get second chance with 'bionic beak'

She has been named Beauty, though this eagle is anything but.

Kilauea's toxic gas kills crops, sickens islanders

For eight years, Tony and Sam Bayaoa have grown thousands of bright red, yellow and pink protea flowers on their farm. Then in March, Kilauea volcano opened a new vent and began spewing double the usual amount of toxic gas.

Border-fence dispute snares rare jaguars

It's a tale of homeland security concerns blocking wildlife management, and the hue and cry that ensues.

Briefing: Nuclear power

Of all the power supplies in the energy mix, nuclear has historically been the most criticized and controversial. But this most unpopular of power sources has recently resurfaced in political and economic dialogue.

Climate change: Time is running out

It appears that the scale and seriousness of climate change is at last being grasped. In 2008, we stand on the brink of a historic consensus, not only between scientists, but in the corridors of political power and in boardrooms across the globe.

Robotic squirrel helps decode animal behavior

One gray squirrel, its bushy tail twitching, barked a warning as another scrounged for food nearby.

Energy, the smarter way

Whilst the energy grids we rely on to provide us with cheap and reliable electricity may have been fit for purpose in the 20th century, it is now abundantly clear that the design of 21st century energy networks will have to be very different. In Europe, the foundations for a secure, flexible and more energy efficient future are already being laid.

Scientists creating worldwide database of tree DNA

The New York Botanical Garden may be best known for its orchid shows and colorful blossoms, but its researchers are about to lead a global effort to capture DNA from thousands of tree species from around the world.

Frontline Pioneer: Cameron Sinclair

Ever since he was an architecture student in London during the 1990s, Cameron Sinclair has been committed to providing solutions to some of the world's most impoverished and disaster-hit communities.

Quakes confuse experts, send kids under their desks

Experts are mystified by a "swarm" of earthquakes hitting Reno, Nevada.

Eagle to get second chance with 'bionic beak'

She has been named Beauty, though this eagle is anything but.

Kilauea's toxic gas kills crops, sickens islanders

For eight years, Tony and Sam Bayaoa have grown thousands of bright red, yellow and pink protea flowers on their farm. Then in March, Kilauea volcano opened a new vent and began spewing double the usual amount of toxic gas.

Border-fence dispute snares rare jaguars

It's a tale of homeland security concerns blocking wildlife management, and the hue and cry that ensues.

Briefing: Nuclear power

Of all the power supplies in the energy mix, nuclear has historically been the most criticized and controversial. But this most unpopular of power sources has recently resurfaced in political and economic dialogue.

Climate change: Time is running out

It appears that the scale and seriousness of climate change is at last being grasped. In 2008, we stand on the brink of a historic consensus, not only between scientists, but in the corridors of political power and in boardrooms across the globe.

Robotic squirrel helps decode animal behavior

One gray squirrel, its bushy tail twitching, barked a warning as another scrounged for food nearby.

Energy, the smarter way

Whilst the energy grids we rely on to provide us with cheap and reliable electricity may have been fit for purpose in the 20th century, it is now abundantly clear that the design of 21st century energy networks will have to be very different. In Europe, the foundations for a secure, flexible and more energy efficient future are already being laid.

Scientists creating worldwide database of tree DNA

The New York Botanical Garden may be best known for its orchid shows and colorful blossoms, but its researchers are about to lead a global effort to capture DNA from thousands of tree species from around the world.

Frontline Pioneer: Cameron Sinclair

Ever since he was an architecture student in London during the 1990s, Cameron Sinclair has been committed to providing solutions to some of the world's most impoverished and disaster-hit communities.

Quakes confuse experts, send kids under their desks

Experts are mystified by a "swarm" of earthquakes hitting Reno, Nevada.

130-million-year-old poop sells for $960

A pile of dinosaur dung 130 million years old sold at a New York auction Wednesday for nearly $1,000.

Huge squid has world's largest eye, say scientists

Scientists studying the carcass of what they call the heaviest squid ever found have discovered it has eyes as big as soccer balls -- reportedly the largest in the world.

Judge deciding if polar bears are endangered

A federal judge has ordered the government to decide within 16 days whether polar bears should be listed as a threatened species because of global warming.

Antibody test faster, cheaper than DNA profiling

Federal researchers say they have developed a human identification test that's faster and possibly cheaper than DNA testing.

Fueling the future

In the coming years we face an unprecedented challenge -- to provide the means for global prosperity, growth and stability from a radically different set of energy sources.

Custom wetsuit protects patchy penguin

What's black and white and warm all over? A penguin in a wetsuit, naturally.

Chickens, T. rex birds of a feather

It looks like chickens deserve more respect.

Nuclear NRG

David Crane is a man who isn't afraid of a challenge. When he took the helm at NRG Energy in the winter of 2003, the company was mired in Chapter 11 bankruptcy proceedings -- just one of many companies caught in the meltdown of the U.S. power generation industry, instigated by the scandalous collapse of Texan power giant Enron in 2001.

Restoration projects recharging rivers

Rosemary Lowe scoops up a shovel of dirt and dumps it into a hole around the base of a slender cottonwood tree.

Greenhouse gases on rise, U.S. agency warns

Major greenhouse gases are accumulating in the air faster than they had been despite efforts to curtail the growth.

U.N. expert: Food crisis 'a silent tsunami'

Those battling global warming by promoting biofuels may unintentionally be adding to skyrocketing world food prices, creating what one expert calls "a silent tsunami" in developing nations.

Living on the green side

New Mexico fights to protect the lynx

A coalition of conservation and animal protection groups on Monday sued the U.S. Fish and Wildlife Service to force it to extend federal protection to Canada lynx in New Mexico.

Bush gets mixed reviews at climate change summit

A new U.S. call for curbing greenhouse gas emissions shook up climate talks Thursday in Paris among the world's biggest polluters.

NASA extends Saturn mission

NASA says it is extending the international Cassini mission that is touring Saturn and its moons for another two years.

Neanderthal man speaks after 30,000 years

It's been 30,000 years since Neanderthals walked the earth, but now we can hear what they sounded like, according to a Florida anthropologist.

Group works to save tough, smart 'tacky' horses

During centuries of isolation on the Carolina sea islands, the short-legged, sway-backed marsh tacky horses became perfectly suited for toiling long hours in the swamps and oppressive humidity.

Valuing the rainforests

It is a familiar refrain to hear the earth and its resources being described as precious and that climate change is, and will, prove extremely costly.

IUCN - The Red List

With more than 1,000 member organizations and over 10,000 experts, the International Union for Conservation of Nature (IUCN) helps develop conservation science and manages field projects all over the world. Every year they publish a list of the world's most endangered species. Click on the gallery to sample just a fraction of the species at risk. For full details see the IUCN Red List.

Lungless 'Jabba' frog offers evolution clue

A frog has been found in a remote part of Indonesia that has no lungs and breathes through its skin, a discovery that researchers said Thursday could provide insight into what drives evolution in certain species.

Gray wolf: Still endangered?

The gray wolf was officially removed from the Endangered Species Act's "threatened" list Friday after three decades -- a decision that has stoked controversy among environmentalists and ranchers.

Where to store wind-powered energy? Under water!

Since it became a viable energy resource around 20 years ago, wind power has emerged as a leading renewable technology.

Building better burger at Rube Goldberg contest

A team of Purdue University students concocted a 156-step recipe for preparing a hamburger to win Saturday's annual national Rube Goldberg Machine Contest.

Frontline Pioneer: Olafur Grimsson

Olafur Ragnar Grimsson is currently enjoying a third term as President of the Republic of Iceland. Since first being elected in 1996, Grimsson has been a passionate advocate of international cooperation in combating climate change.

Which sectors are the biggest polluters?

Future Player: Dr Joseph Adelegan

Dr Joseph Adelegan is the Founder and the Executive Chairman of the Global Network for Environment and Economic Development Research -- a front-line African non-profit and non-governmental organization involved in environment and sustainable development issues.

A timeline of climate change science

Climatology was once a small and often overlooked branch of science. But important discoveries made as the early 19th century have contributed to what is the most important field of scientific study in the world today. Listed below are some key dates in climate change history.

Future Player: Peter Head

Peter Head is Director of urban design and development at Arup, the global design and business consulting firm.

Sex, murder, tentacles -- octopuses have it all

Marine biologists studying wild octopuses have found a kinky and violent society of jealous murders, gender subterfuge and once-in-a-lifetime sex.

Borrowing from nature

The legendary 20th century architect, Frank Lloyd Wright once described his profession as the "mother art". In the 21st century, architects and designers are increasingly turning their attentions to Mother Nature as a source of inspiration for their creations.

Building the future

It's easy to overlook the impact buildings have on greenhouse gas emissions, but the places where we live and work contribute over 30 percent of global greenhouse emissions.

Big Thinker: Jeremy Rifkin

Jeremy Rifkin is an internationally renowned economist, social critic and author. Since 1977 he has been president of the Foundation on Economic Trends (FOET). For the last 14 years he has been a fellow at the Wharton School's Executive Education Program. He has written 17 highly successful and thought-provoking books including "The End of Work" (1995), "The Hydrogen Economy" (2002) and most recently "The European Dream" (2004).

Big Thinker: Daniel Libeskind

Daniel Libeskind is one of the greatest architects of the modern era. Prior to his involvement in the design of New York's Freedom Tower, he was best known for designing the Jewish Museum in Berlin.

Algae: 'The ultimate in renewable energy'

Texas may be best known for "Big Oil." But the oil that could some day make a dent in the country's use of fossil fuels is small. Microscopic, in fact: algae. Literally and figuratively, this is green fuel.

Al Gore kicks off massive global warming campaign

Former Vice President Al Gore on Monday launched a three-year, multimillion-dollar advocacy campaign calling for the U.S. to reduce its greenhouse gas emissions.

Ice shelf collapse: What does it mean?

From krill to king crabs, the collapse of a 160-square-mile portion of the Wilkins Ice Shelf in Antarctica could mean many changes for wildlife at the bottom of the world.

Science project sparks subway scare

A college student has apologized for causing a scare on a subway train when his science project short-circuited and started smoking in his backpack.

California lowers goal for zero-emission vehicles

California regulators have drastically cut the number of zero-emission vehicles required to be sold in the state by the year 2014, a decision that frustrated environmentalists but came as a relief to auto manufacturers.

Massive ice shelf on verge of breakup

Some 220 square miles of ice has collapsed in Antarctica and an ice shelf about seven times the size of Manhattan is "hanging by a thread," the British Antarctic Survey said Tuesday, blaming global warming.

Huge Antarctic ice chunk collapses

A chunk of Antarctic ice about seven times the size of Manhattan suddenly collapsed, putting an even greater portion of glacial ice at risk, scientists said Tuesday.

Giant sea creatures found in Antarctic search

Scientists who conducted the most comprehensive survey to date of New Zealand's Antarctic waters were surprised by the size of some specimens found, including jellyfish with 12-foot tentacles and 2-foot-wide starfish.

Hawaii volcano explodes for first time in 84 years

An explosion atop the long-erupting Kilauea volcano rained gravel-size rocks onto a tourist lookout, road and trail before dawn Wednesday, injuring no one but forcing parts of a national park to close.

X Prize offering $10M purse for 100-mpg vehicle

The X Prize Foundation, best known for its competitions promoting space flights, is offering $10 million to the teams that can produce the most production-ready vehicles that get 100 miles per gallon or more.

Mummified dinosaur unearthed in North Dakota

Using tiny brushes and chisels, workers picking at a big greenish-black rock in the basement of North Dakota's state museum are meticulously uncovering something amazing: a nearly complete dinosaur, skin and all.

Florida airport tests hydrogen engines

Some Florida amusement park visitors may enjoy space-themed roller-coasters, but the first vehicle they board at Orlando International Airport may be the most futuristic ride of their vacation.

Ga. Tech president to head troubled Smithsonian

The troubled Smithsonian Institution says it has chosen Georgia Tech President G. Wayne Clough as its new leader.

It's in the DNA: Sharing 6 ancestors over 20,000 years

Nearly all of today's Native Americans in North, Central and South America can trace part of their ancestry to six women whose descendants immigrated around 20,000 years ago, a DNA study suggests.

Study: 95% of Native Americans descended from six women

Nearly all of today's Native Americans in North, Central and South America can trace part of their ancestry to six women who lived around 20,000 years ago, a DNA study suggests.

Software saves trees, cash and headaches, says creator

It's happened to all of us: You print something from the Web, and all you get is a sheet of paper with nothing but a URL or something equally useless.

Student's camera snaps wolverine in California

A research project aimed at weasels has turned up a bigger prize: a picture of a wolverine, an elusive animal scientists feared may have been driven out of the Sierra Nevada long ago by human activity.

Scientists spot white killer whale off Alaska

The white killer whale spotted in Alaska's Aleutian Islands sent researchers and the ship's crew scrambling for their cameras.

Study: Snowflakes may contain bacteria

Those beautiful snowflakes drifting out of the sky may have a surprise inside - bacteria.

Nazi gold hunt ends, treasure hunter claims

Treasure hunter Christian Hanisch told CNN Thursday that the hunt for Nazi Gold and possibly the legendary Amber Room will end Friday after the two men leading the expedition had a disagreement.

Treasure hunters dig for Hitler's gold

Digging has resumed at a site in the southeastern German town of Deutschneudorf, where treasure hunters believe there are almost 2 tons of Nazi gold and possibly clues to the whereabouts of the legendary Amber Room, a prize taken from a Russian castle during World War II.

Treasure hunters dig for Hitler's gold

Digging has resumed at a site in the southeastern German town of Deutschneudorf, where treasure hunters believe there are almost 2 tons of Nazi gold and possibly clues to the whereabouts of the legendary Amber Room, a prize taken from a Russian castle during World War II.

N. Rockies' gray wolves coming off endangered list

Gray wolves in the Northern Rockies are being removed from the endangered species list. The move follows a 13-year restoration effort that led the animal's population to soar.

Ancient frog was as big as a bowling ball

A frog the size of a bowling ball, with heavy armor and teeth, lived among dinosaurs millions of years ago -- intimidating enough that scientists who unearthed its fossils dubbed the beast Beelzebufo, or Devil Toad.

Study: Love rivals get ogled too

Valentine's Day is a good time for men and women to attend to their lovers -- just in case anyone else might be looking.

Pterodactyl fossil found in China

As pterodactyls go, it was small, toothless and had unexpectedly curved toes -- yet scientists are welcoming their new find as another piece in the puzzle of ancient life.

Maligned aircraft finds redemption in Iraq, military says

Once derided as a white elephant, the U.S. Marine Corps' tilt-rotor aircraft, the V-22 Osprey, is proving its mettle in Iraq, military officials said.

Pressure, private cash driving clean energy

High oil prices and growing concerns about the environment may drive more than $7 trillion of new investment in so-called clean energy technologies by 2030, an energy research group says.

Communing without nature

As people spend more time communing with their televisions and computers, the impact is not just on their health, researchers say. Less time spent outdoors means less contact with nature and, eventually, less interest in conservation and parks.

Winning environmental solutions

Scrap tires tread new ground as powder

What do you see when you come across a big tire dump?

Making it easier to recycle electronics

Perhaps armed with a new loot of electronics now that the holidays are over, consumers might find old cell phones, printers and TVs taking up space in junk drawers and basements. We're used to recycling our paper and plastic but the electronic detritus that surrounds us is harder to deal with. The good news is it's becoming easier.

Whopping gas field teases drillers

More than a mile beneath an area of Appalachia covering parts of four states lies a mostly untapped reservoir of natural gas that could swell U.S. reserves.

U.S. stance on climate change shifting, conference delegates say

A meeting on climate change ended without concrete targets for slashing greenhouse gas emissions, but participants praised what they saw as a new willingness by the United States to discuss possible solutions.

Chips could put lab rats out of work

The lab rat of the future may have no whiskers and no tail -- and might not even be a rat at all.

Researchers study coral threats

Even coral reefs thought to be pristine are facing challenges, researchers said Thursday launching the International Year of the Reef.

Biofuels may threaten environment, U.N. warns

The world's rush to embrace biofuels is causing a spike in the price of corn and other crops and could worsen water shortages and force poor communities off their land, a U.N. official said Wednesday.

Mysterious reptile deaths puzzle scientists

Conservationists and scientists scrambled Tuesday to determine what has killed at least 50 critically endangered crocodile-like reptiles in recent weeks in a river sanctuary in central India.

Scientists make cloned embryos from skin cells

Scientists in California say they have produced embryos that are clones of two men, a potential step toward developing scientifically valuable stem cells.

Self-destructing palm tree discovered in Madagascar

A self-destructing palm tree that flowers once every 100 years and then dies has been discovered on the Indian Ocean island of Madagascar, botanists said Thursday.

Smashing dams to save salmon

More than 300 miles of struggling salmon runs would be restored along the Klamath River as part of a landmark $1 billion proposal that represents the largest dam removal project in the nation's history.

1-ton rodent was size of small car

Scientists have discovered the remains of a rodent the size of a small car which used to forage the South American continent. The 1-ton creature is believed to have been about 3 meters in length and 1.5 meters tall.

Dinos sexually mature by 8, research shows

Adolescent pregnancy isn't a modern invention, it occurred in dinosaurs millions of years ago.

'Green funerals' feature biodegradable coffins

Cynthia Beal wants to be an Oregon cherry tree after she dies. She has everything to make it happen -- a body, a burial site and a biodegradable coffin.

'Green funerals' feature biodegradable coffins

Cynthia Beal wants to be an Oregon cherry tree after she dies. She has everything to make it happen -- a body, a burial site and a biodegradable coffin.

Recycling in its purest form -- among the worms

Cynthia Beal wants to be an Oregon cherry tree after she dies. She has everything to make it happen -- a body, a burial site and a biodegradable coffin.

Crowds line up to see zoo's latest panda cub

San Diego's most popular resident finally met her fans, up close and personal: Giant panda cub Zhen Zhen made her public debut Saturday at the San Diego Zoo.

Is she or isn't she? Mummy lab working to ID pharaoh queen

Months after Egypt boldly announced that archaeologists had identified a mummy as the most powerful queen of her time, scientists in a museum basement are still analyzing DNA from the bald, 3,500-year-old corpse to try to back up the claim aired on TV.

Experts: Melting sea ice threatens walruses, seals, bears

Federal marine mammal experts in Alaska studying the effects of global warming on walruses, polar bears and ice seals warn there are limits to the protections they can provide.

Private college nation's first carbon-neutral campus

Tiny College of the Atlantic, with 300 students and only one major, human ecology, has become the nation's first "carbon-neutral" campus, school officials said Wednesday.

Whales may have descended from small deer-like critter

It sounds like a stretch, but a new study suggests that the missing evolutionary link between whales and land animals is an odd raccoon-sized animal that looks like a long-tailed deer without antlers. Or an overgrown long-legged rat.

First CO2-free coal power plant announced

Coal is almost the perfect fuel. It's cheap and absurdly abundant -- especially in the United States, which has the world's larges reserves. There's just that tiny problem of massive climate-altering carbon dioxide emissions. Or is there?

CNN Future Summit forum

Even the most cheerless environmental activist would find it hard not to register the faintest trace of a smile seeing Christmas lights shimmering in the murk of a December evening. Any lingering sense of 'green guilt' over the environmental cost of a billion festive bulbs being switched on should quickly dissipate in the bursts of electric color festooning our streets and houses. But if that isn't enough to placate an ardent activist there is, thankfully, environmentally-friendly light at the end of the tunnel.

Is human evolution accelerating?

Evolution isn't finished with us. Scientists using data from the HapMap Project, a large scale effort to identify variations in human genes, have discovered evidence that evolution is actually accelerating.

Scientists take 2007's temperature

It's shaping up to be one of the warmest years on record.

Northern Lights energy source discovered

Scientists think they have discovered the energy source of auroras borealis, the spectacular color displays seen in the upper latitudes of the Northern Hemisphere.

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