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Page last updated at 17:39 GMT, Wednesday, 25 November 2009

US President Barack Obama US pledges carbon emissions cuts
President Obama will vow to cut US carbon emissions by 17% by 2020, when he attends the climate summit in Copenhagen.

Galaxy image Astronomers invent 'galaxy game'
Astronomers have devised a web-based game that could help work out the basis of galactic collisions.

Bicycle Climate policies 'improve health'
Cutting emissions to mitigate climate change will also make people healthier, according to research.


OTHER TOP STORIES

Gene offers bowel cancer 'shield'
A gene known to shield the body from harmful chemicals may also protect against bowel cancer, a study suggests.

UK tree plan to aid emissions cut
Ministers back calls to plant millions of trees across the country to help combat climate change.

Climate 'drives African conflict'
Climate is a major driver of conflict across Africa, researchers say, with future warming likely to increase civil wars by 50% in 20 years.

This year 'in top five warmest'
This year will be in the top five warmest years globally since records began, according to the UK Met Office.

Beams collide in Big Bang machine
Engineers operating the Large Hadron Collider (LHC) have smashed together proton beams in the machine for the first time.


ALSO IN THE NEWS

A cup of mint tea 'can kill pain', according to a study
A cup of Brazilian mint tea has pain relieving qualities to match those of commercially available analgesics, a study suggests.

Designers speed ahead with 1,000mph car
The UK team aiming to smash its own land speed record by driving a car beyond 1,000mph settles on a final design for the vehicle.


FEATURES, VIEWS, ANALYSIS

Bloodhound effect
Inspiring the next generation of engineers

Waters rising
Two cities, in Africa and Europe, braced for higher seas

Universal appeal
A quirky look at the people who stare deep into space


FEATURES, VIEWS, ANALYSIS

Warming world
Which countries produce the most carbon emissions?


Environmental opinion and debate

Are children's futures going up in smoke?
What price will children have to pay for the carbon excesses of past generations?

Climate: A question of justice
Why a human rights activist is making the jump to mainstream environmentalism.


Reporting life on Earth

FROM GLOUCESTERSHIRE >>
Gloucestershire's blind wild boar
A visually-impaired wild boar is cared for in the UK's Forest of Dean.

Mammoth dung clue to extinction
Can mammoth dung explain why the great mammals died out?


SCIENCE

Appeal over missing Darwin notes
English Heritage launch an appeal to trace Charles Darwin's missing Galapagos notebook.

Drop in HIV infections and deaths
Greater access to anti-retroviral drugs has helped cut the deaths from HIV by 10% over the past five years, latest figures show.

Bottling-up anger 'bad for heart'
Men who do not openly express their anger if unfairly treated at work double their risk of a heart attack, researchers say.

Dirt 'can be good for children'
Children should be allowed to get dirty, according to scientists who say being too clean can impair the skin's ability to heal.

Cosmonaut Feoktistov dies
The USSR's first civilian cosmonaut, Konstantin Feoktistov, a crew member of the 1964 Voskhod spaceship, dies.


ENVIRONMENT

US 'will announce climate target'
The US will give a target for reducing greenhouse gas emissions ahead of next month's UN climate summit, officials say.

Pay homes to recycle, say Tories
Households which recycle could get up to £130 a year in shopping vouchers under the Tories, says George Osborne.

East Antarctica 'is losing ice'
The massive and apparently stable East Antarctic ice sheet is losing mass, a new study suggests.

Fish 'at risk' in acidified ocean
Fish reared in water acidified by CO2 may become "fatally attracted" to the smell of their predators, say scientists.

UK climate unit's e-mails hacked
The e-mail system of one of the world's leading climate research units has been breached by hackers.



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