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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Now is the time to prepare for the great floods
Building in at-risk coastal areas should stop if we want to leave our children a lasting legacy. (Editorial)
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Ice on fire: The next fossil fuel
Methane trapped in sub-marine ice and permafrost could possibly fuel the world for hundreds of years
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Methane controls before risky geoengineering, please
Reducing carbon dioxide emissions will be vital in the long run, but we should start by tackling methane, says Kirk Smith.
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Biofuels could clean up Chernobyl 'badlands'
Contaminated lands, blighted by fallout from the Chernobyl nuclear disaster, could be cleaned up in a clever way: by growing biofuels. Belarus, the country affected by much of the fallout, is planning to use the crops to suck up the radioactive strontium and caesium and make the soil fit to grow food again within decades rather than hundreds of years.
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A paradoxical cure for fossil fuel junkies
A new source of carbon could curb greenhouse emissions, but only if it is used sensibly. (Editorial)
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AIDS denial: A lethal delusion
Some people refuse to believe that HIV causes AIDS, despite all the evidence that it does
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Don't let malaria defences crumble
REPORTS from Cambodia that malaria is developing resistance to artemisinins have set alarm bells ringing. Artemisinins are the best drugs we have to treat malaria, and until recently there have been no reports of resistance.
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Why Japan's whaling activities are not research
Japan has long claimed that it catches whales to further science, but this is nonsense, say Nichola Raihani and Tim Clutton-Brock.
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Small hydrogen car may have a big future
A concept car that attempts to sidestep the three main hurdles to the dream of hydrogen-fuelled highways was unveiled in London this week.
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Video roadshows transform African agriculture
Techniques to improve the nutritional content and processing of crops are better spread using video, suggests a programme in Benin.