Cutoff switch may limit spread, duration of oxygen minimum zones

A new study examining the impact of iron released from continental margin sediments has documented a natural limiting switch that may keep these ocean systems from developing a runaway feedback loop that could lead to unchecked ...

Venus Express gets ready to take the plunge

(Phys.org) —After eight years in orbit, ESA's Venus Express has completed routine science observations and is preparing for a daring plunge into the planet's hostile atmosphere.

Rio official: Water pollution targets won't be met

Brazil will not make good on its commitment to clean up Rio de Janeiro's sewage-filled Guanabara Bay by the 2016 Olympic Games, state environmental officials acknowledged in a letter obtained Saturday by The Associated Press.

Japanese car giants team up on green engines

Japan's eight carmakers have joined forces to develop environmentally friendly engines to stave off fierce competition from foreign rivals, a press report said Sunday.

How Chinese officials 'like' banned Facebook

China's Communist authorities ban their own people from accessing major global social media sites including Facebook, Twitter, YouTube and more. But when it comes to self-promotion they are increasingly keen users themselves.

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