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Abrupt climate shifts in the past offer warning for future

2014-07-26 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

ClimateWire: At the end of the last Ice Age 18,000 years ago, the Northern Hemisphere transitioned rapidly into a new climate state. Glaciers retreated and the world warmed, and by 11,500 years ago, the planet had entered the constant summer of today's Holocene Epoch. Right before this shift, there may have been a warning sign that the planet was hitting a tipping point into a warmer state, finds a new study published yesterday in the journal Science. The signal was this: Climate and temperature conditions...

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Global Climate Will Cause Abrupt World Changes

2014-03-23 18:55:00| Climate Ark Climate Change & Global Warming Newsfeed

Liberty Voice: If nations ignore the imminent problem of the increasing global climate, it will cause the world to endure abrupt changes that one single country is not prepared to handle. Food and water supplies will be interrupted, the economy will diminish, millions of people will be displaced and civil unrest and violence will be triggered. The changing climate is causing permanent damage to ecosystems across the world, such as the loosening melt of Greenland, parching of the Amazon rainforest and melting of...

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U.N. climate change report details 'abrupt or drastic changes' worldwide

2014-03-23 16:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Reuters: Global warming will disrupt food supplies, slow world economic growth and may already be causing irreversible damage to nature, according to a U.N. report due this week that will put pressure on governments to act. A 29-page draft by the Intergovernmental Panel on Climate Change (IPCC) will also outline many ways to adapt to rising temperatures, more heatwaves, floods, and rising seas. "The scientific reasoning for reducing emissions and adapting to climate change is becoming far more compelling,"...

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Global warming: Warning against abrupt stop geoengineering method

2014-02-17 07:00:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: As a range of climate change mitigation scenarios are discussed, University of Washington researchers have found that the injection of sulfate particles into the atmosphere to reflect sunlight and curb the effects of global warming could pose a severe threat if not maintained indefinitely and supported by strict reductions in greenhouse gas (GHG) emissions. The new study, published today, 18 February, in IOP Publishing's journal Environmental Research Letters, has highlighted the risks of large...

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We must prevent abrupt climate change

2014-02-08 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Ecologist: Action to cool the Arctic is a common sense response to what is happening: the beginnings of abrupt climate change. The long spell of wet weather here in the UK this winter is due to a stuck pattern of the polar jet stream, such that it frequently passes over us. Meanwhile the mid-US has been experiencing an extreme cold spell, as the jet stream meanders southwards in a gigantic loop. Strong scientific evidence suggests that this jet stream behaviour, producing an increasing frequency of weather...

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