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Politics : Formerly About Advanced Micro Devices

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From: bentway6/5/2015 11:59:06 AM
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New Analysis Shows Earth Is Warming Faster Than We Thought

forbes.com

Politicians may dither and talking heads bloviate, but the scientific consensus is clear: climate change is real, humans are responsible, and its effects are already being felt around the world. At the same time, some details are in question, including how fast climate change is increasing and which specific effects we see are due to it as opposed to other sources.

That’s the context for a new paper in Science today from researchers at the National Oceanographic and Atmospheric Administration (NOAA, which is somewhat ironically pronounced “Noah”). Thomas Karl and colleagues took a second look at global surface temperatures — the ordinary temperatures we’re used to seeing on weather news or in our phone apps — and found the official numbers on rising temperatures are too low. To put it another way: the consensus opinion is that we are currently in a global warming “hiatus”, but Karl and coauthors report instead that temperatures are climbing as fast as ever.

As if we didn’t have enough to worry about.

A new look at temperature data from around the world shows that the rate of climate change is still getting larger, contrary to the latest report by the IPCC. [Credit: NOAA's National Centers for Environmental Information]

Let’s back up and look at what this new paper says, and why it’s important. The most recent Intergovernmental Panel on Climate Change (IPCC) report is a huge, nearly unreadable document combining climate data from thousands of scientists around the world. However, there’s a lot of vital information buried in the report-by-committee language, including the analysis of temperature data from the years 1998 through 2012. (The time it takes to analyze the data and put together these reports always means they’re a little behind the times, though three years isn’t a lot in the scheme of things either.).....
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