Choking China: The struggle to clear Beijing's air
As pollution levels return to normal in China's capital after a record-breaking month of smog, what can be done to banish the smog?
New Scientist
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Biobank promises to pinpoint the cause of disease
The launch of the UK Biobank, the world's largest medical database, will reveal the effects of genes and environment on health.
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Antibiotics are wonder drugs no more
The side effects of antibiotics may make the war on hostile bacteria trickier to wage than ever. (Editorial)
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Antibiotics may make you fat
The widespread use of antibiotics may permanently change our gut flora, increasing our risk of obesity and damaging our immune systems.
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Methane cuts could delay climate change by 15 years
An atmosphere with less methane would encourage plants to soak up more carbon dioxide, buying precious time to solve the climate problem.
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Arctic sea ice may have passed crucial tipping point
The ice has not recovered from a record low in 2007 – ice-free summers could soon become a regular feature across most of the Arctic Ocean.
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Killer whales in a warmer world
As the sea ice recedes in Hudson Bay, killer whales are moving in for a feast. Are they eating the Inuit people's lunch?
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Damage to oceans will cost $2 trillion
As the seas rise, so will the costs associated with them. The impact of climate change on oceans alone could cost $2 trillion by the end of the century, according to a report by the Stockholm Environment
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Niger river dams could displace 1.5 million
Engineering schemes could lead to one of the world's largest wetlands running dry every four years.
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Going green won't kill jobs during hard times
Claims that environmental regulations will worsen unemployment are false. When the economy is struggling, the opposite is true, says economist Josh Bivens.
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Resilient reactors: Nuclear built to last centuries
From the safety of a computer screen in the control room, I can see a robot scoop up a chunk of asbestos from the reactor floor. I am at Sellafield, the nuclear complex on the coast of Cumbria in north-west