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Aug. 14 (Bloomberg) -- NASA has revised climate data to show 1934 as the hottest year on record in the U.S., ousting 1998 and challenging the argument that national temperatures are reaching new highs amid global warming.
The problem is that this isn't very normal:
Which is the concern with regard to future warming.
During interglacials, global temperature is also believed to be primarily controlled by carbon dioxide concentrations, modulated by internal processes such as the Pacific Decadal Oscillation and the North Atlantic Oscillation. Recent work challenges the fundamental basis of these conceptions.
originally posted by: network dude
Scientists say the extent of Antarctic sea ice cover is at its highest level since records began.
Satellite imagery reveals an area of about 20 million square kilometres covered by sea ice around the Antarctic continent.
Jan Lieser from the Antarctic Climate and Ecosystems Cooperative Research Centre (CRC) said the discovery was made two days ago.
Is this proof of Global warming, or is this expected? I don't want to just claim it's significant, but damn, it sure sounds like it.
Or perhaps this is irrelevant.
originally posted by: WhiteAlice
a reply to: bbracken677
Well there's a reason why they are attempting to make projections about what may occur in the future in response to all the changes that have been occurring as it involves both risks to human life and billions of dollars to economies and real estate. In a sense, the projections that are being made are more like using the "generate a hypothesis" aspect of the scientific method and not the "theory". They're not doing anything wrong in that sense and I'd much rather them try to pool what they know in an attempt to plan a counter than do nothing at all and just let things happen.
It's rather like the whole meteor thing. We know that meteors have hit the earth in the past and yet, though we have not had an ELE level meteor strike the planet in a very, very, very long time, we still project that it will happen at some point and try to figure out how to do something about it should that occur.
Same goes with the weather.