voices.mckinseyonsociety.com - Patrick Meier

Crisis-mapping technology has emerged in the past five years as a tool to help humanitarian organizations deliver assistance to victims of civil conflicts and natural disasters. Crisis-mapping platforms display eyewitness reports submitted via e-mail, text message, and social media. The reports are then plotted on interactive maps, creating a geospatial record of events in real time.

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huffingtonpost.com - by Charlie Brennan - April 12, 2013

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The thermometers got it right. The Earth is warming, another study is reporting.

Climate scientists recognize that changes in weather observation stations' immediate surroundings -- such as neighboring trees being replaced by heat-absorbing concrete -- can eventually throw data from such stations into question.

But now, a new study directed by a researcher at the National Oceanic and Atmospheric Administration that recreates climate history without the use of land-based observation systems shows the same thing that thermometers have been reporting.

"This shows that global warming over land is real," said Gilbert Compo, a scientist at NOAA's Cooperative Institute for Research in Environmental Sciences at the University of Colorado.

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GRL - Independent confirmation of global land warming without the use of station temperatures

Corn in the hands of a farmworker in South Africa. Photograph: Greatstock Photographic Library/Alamy

guardian.co.uk - by John Vidal - April 13, 2013

Millions of people could become destitute in Africa and Asia as staple foods more than double in price by 2050 as a result of extreme temperatures, floods and droughts that will transform the way the world farms.

As food experts gather at two major conferences to discuss how to feed the nine billion people expected to be alive in 2050, leading scientists have told the Observer that food insecurity risks turning parts of Africa into permanent disaster areas. Rising temperatures will also have a drastic effect on access to basic foodstuffs, with potentially dire consequences for the poor.

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US National Climate Assessment
http://assessment.globalchange.gov/what-we-do/assessment/draft-report-information