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As the planet marked its fourth hottest year on record, a study published in the journal Nature found increasing levels of carbon dioxide will lead to thinner ocean clouds and reduce their cooling impact, causing temperature rises of at least 5.6F (3C) over the course of the century. The team of scientists said the findings show some climate models have been too “optimistic” and previous estimates of a minimum temperature rise of only 2.7F (1.5C) could now be discounted. The optimistic models did not properly assess the impact of water evaporation, which sometimes rises only a short distance into the atmosphere and causes updraughts that reduce cloud cover, the study found.
...The debate comes as Australia in 2013 marked its hottest year since reliable recordings began in 1910. The world’s driest continent also recorded its hottest day, hottest month, hottest winter’s day and hottest summer.
The run of warmer weather began late in 2012 and was so great that Australia’s Bureau of Meteorology last year changed its official weather forecasting map to include new colours - deep purple and pink - for areas with temperatures above 50C (122F).
Globally, according to figures released in December by the United States National Climatic Data Center, 2013 was set to be the fourth hottest year in 134 years of records behind 2010, 2005 and 1998.
Meteorologists said it was the hottest year on record for a non-El Niño year.
In fact two points stand clear. 1) there has been a steady decline in global temperatures over the last 10 years
2) 2013 was recorded as one of the coolest years ever recorded. It may be warmer than other cooler years but that alone is not enough to support global warming.
If they stick their head out the window of their ivory tower, I'd caution them...It's snowing and the windchill is a real nasty thing at the moment.
reply to post by soficrow
Hasn't been hot at all so far this summer. I wouldn't mind 3 or 4 degrees rise. I think global warming is real but maybe the effects of a 3 or 4 degree rise have been blown out of proportion. I can't really see the world ending because the average global temp rises 3 or 4 degrees. Besides at this point there's very little anyone can do about it. As far as global greenhouse gas emissions it's business as usual and no significant reductions are happening. A bit here and there but governments don't seem concerned about it much at all.
reply to post by Wrabbit2000
obviously, you have some material basis for your point of view. Can you reveal that? There are those that would love to see the science or hear the Bible verses or whatever you have.
This topic is of vital importance to every soul on this planet. Given that and the high stakes, you should provide ample basis and not just cavalier talk.
Using empty words and baseless belief to influence people is not only ignorant, it's immoral.
But according to the scientific community, the experts who have decades of training in the field of atmospheric and climactic study, our planet continues to warm. In fact, we just came through the hottest decade ever recorded.
A new computer model developed by German researchers, reported in the journal Nature, suggests the cooling will counter greenhouse warming.
However, temperatures will again be rising quickly by about 2020, they say.