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Environment & Energy
Related: About this forumNYT: Climate Change Seen Posing Risk to Food Supplies
Climate Change Seen Posing Risk to Food Supplies
Climate change will pose sharp risks to the worlds food supply in coming decades, potentially undermining crop production and driving up prices at a time when the demand for food is expected to soar, scientists have found.
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In a departure from an earlier assessment, the scientists concluded that rising temperatures will have some beneficial effects on crops in some places, but that globally they will make it harder for crops to thrive perhaps reducing production over all by as much as 2 percent each decade for the rest of this century, compared with what it would be without climate change.
The report also finds other sweeping impacts from climate change already occurring across the planet, and warns that these are likely to intensify as human emissions of greenhouse gases continue to rise. The scientists describe a natural world in turmoil as plants and animals colonize new areas to escape rising temperatures, and warn that many could become extinct.
The warning on the food supply is the sharpest in tone the panel has issued. Its previous report, in 2007, was more hopeful. While it did warn of risks and potential losses in output, particularly in the tropics, that report found that gains in production at higher latitudes would most likely offset the losses and ensure an adequate global supply.
Climate change will pose sharp risks to the worlds food supply in coming decades, potentially undermining crop production and driving up prices at a time when the demand for food is expected to soar, scientists have found.
Related Series
In a departure from an earlier assessment, the scientists concluded that rising temperatures will have some beneficial effects on crops in some places, but that globally they will make it harder for crops to thrive perhaps reducing production over all by as much as 2 percent each decade for the rest of this century, compared with what it would be without climate change.
The report also finds other sweeping impacts from climate change already occurring across the planet, and warns that these are likely to intensify as human emissions of greenhouse gases continue to rise. The scientists describe a natural world in turmoil as plants and animals colonize new areas to escape rising temperatures, and warn that many could become extinct.
The warning on the food supply is the sharpest in tone the panel has issued. Its previous report, in 2007, was more hopeful. While it did warn of risks and potential losses in output, particularly in the tropics, that report found that gains in production at higher latitudes would most likely offset the losses and ensure an adequate global supply.
And this is based on assessments that don't even include the Arctic methane releases that are already under way.
So it goes.
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NYT: Climate Change Seen Posing Risk to Food Supplies (Original Post)
GliderGuider
Nov 2013
OP
Berlum
(7,044 posts)1. Nota Bene
...this is a big story. Thanks for posting...
hatrack
(59,599 posts)2. Do tell!
This isn't exactly what I'd call "breaking news", save for the presence of updating around the edges.
TalkingDog
(9,001 posts)3. Well no shit, Sherlock
But people don't want to hear it. They'd rather just keep buy crap which means factories keep spewing out crap.