Effects of climate change

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The dangerous effects of climate change are becoming increasingly apparent.

Climate policy is characterised by the habituation of low expectations and a culture of failure. There is an urgent need to understand global warming and the tipping points for dangerous impacts that we have already crossed as a sustainability emergency, that takes us beyond the politics of failure-inducing compromise. We are now in a race between climate tipping points and political tipping points.

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The North Pole sea ice

There could be a brief time this summer when there is no ice on the North Pole, a US scientist Mark Serreze stated in June 2008, blaming global warming that has melted the Arctic ice sheet over decades.

"We could have no ice at the North Pole at the end of this summer" National Snow and Ice Data Centre scientist Mark Serreze said.

He put the chances of there being no ice at one point at 50 per cent, saying it could see "ships sail from Alaska to the North Pole, that's possible".

"Clearly if you look over what we have seen in the past three years and where we were headed, we are in ... this long-term decline and we may have no ice at all in the Arctic Ocean in summer by 2030 or so."[1]

Climate change is effecting the planet much more quickly than previously thought

Scientists are warning that human-enhanced climate change is taking its toll on the world's plants, animals and physical environment much more quickly than previously thought. An international research team has found that many accounts of plants flowering early, birds changing their migration habits, and glaciers and mountain snow melting were most likely the result of rising greenhouses gases.

Climate change from greenhouse gases is not only affecting the temperature," said David Karoly, a professor from the University of Melbourne's school of earth sciences and a member of the research team. "It is important for all people to get this message. The urgency of responding to climate change is critical."[2]

External links

References

  1. North Pole may have ice-free period this summer: US expert, ABC News (Australian Broadcasting Corporation)
  2. Climate change taking toll much quicker than thought, global research finds, The Age, May 15, 2008
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