Earth warned on 'tipping points'
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The risk of humans triggering catastrophic change in unstable Earth systems is largely ignored, a climate scientist says.
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The bleak outlook of a major new report on climate change shifted the onus onto governments, even mankind, to take action, with dire warnings Friday from around the world that drastic, rapid change is needed &#151; not least from the United States.
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The world faces a surge in extreme weather events because of global warming and governments must act immediately to avert disaster, Britain&#39;s chief scientist said on Tuesday.
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Scientists are planning to take the pulse of the planet &#151; and more &#151; in an effort to improve weather forecasts, predict energy needs months in advance, anticipate disease outbreaks and even tell fishermen where the catch will be abundant.
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Mankind is to blame for global warming, the world's top climate scientists said on Friday, sending governments a "crystal clear" warning they must take urgent action to avert severe and irreversible damage.
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While Malcolm Gladwell's "Tipping Point" explores how a trend emerges from obscurity to the mainstream, a new book says even small trends can have big effects.
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A leading US scientist tells the BBC that the world has already entered a state of dangerous climate change.
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Suppose that the pessimistic forecasts of global warming are accurate. Suppose that the planet's temperature rises according to the high-end scenario of the U.N.'s Intergovernmental Panel on Climate Change, and that we experience the economic and social impacts (like hunger, malaria and coastal flooding) projected by the much-publicized Stern Review sponsored by the British government. [...].
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Environmentalist and author Mark Lynas paints a gloomy picture of Earth's future in Six Degrees: Our Future on a Hotter Planet. But in an interview with Wired News he says it's not time to despair just yet.
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MARK COLVIN: The scientific consensus seems to be growing that global warming is not just coming, it&#39;s upon us. An international climate change taskforce is meeting in Sydney this week to discuss ways of avoiding
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The head of the United Nations&#39; AIDS program warned yesterday that India, China and Russia are &quot;perilously close to a tipping point&quot; that could turn their small, localized AIDS epidemics into
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The American Geophysical Union's warning Thursday reflects an increasingly vocal scientific community.
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Ice caps are melting on both Earth and Mars. According to one researcher's controversial theory, this suggests that global warming has nothing to do with humankind.
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EARTH must take precautions to avoid contamination from lifeforms that must now be presumed to exist on Mars, leading scientists gave warning yesterday.
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Earth is about to gets its closest brush this century with a massive asteroid, a hurtling space rock astronomers say is big enough to cause global devastation if it were to collide with the planet.
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Undersea quakes are inevitable. The questions are where and when Â and the recent catastrophe may provide clues.
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A creeping rise in sea levels tied to global warming, pollution and damage to coral reefs may make coastlines even more vulnerable to disasters like tsunamis or storms in future, experts said Monday.