Federal report: Warming disrupts Americans' lives - Fox 28: South Bend, Elkhart IN News, Weather, Sports

Federal report: Warming disrupts Americans' lives

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(AP Photo/Marcio Jose Sanchez, File). FILE - This March 13, 2014 file photo shows cracks in the dry bed of the Stevens Creek Reservoir in Cupertino, Calif. (AP Photo/Marcio Jose Sanchez, File). FILE - This March 13, 2014 file photo shows cracks in the dry bed of the Stevens Creek Reservoir in Cupertino, Calif.
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  • Regional climate change fact sheet

    Regional climate change fact sheet

    As part of the federal report warning of the growing threat of climate change on the US environment and economy, the White House released regional findings. Below are the findings for the Midwest Region, which includes Indiana and Michigan. Regional Findings of the Third U.S. National Climate Assessment: MIDWEST “In the next few decades, longer growing seasons and rising carbon dioxide levels will increase yields of some crops, though those benefits will be progressively offset by extreme w...More >>
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By SETH BORENSTEIN
AP Science Writer

Global warming is rapidly turning America the beautiful into America the stormy, sneezy and dangerous, according to a new federal scientific report. And those shining seas? Rising and costly, the report says.

Climate change's assorted harms "are expected to become increasingly disruptive across the nation throughout this century and beyond," the National Climate Assessment concluded Tuesday. The report emphasizes that warming and all-too-wild weather are changing daily lives, using the phrase "climate disruption" as another way of saying global warming.

Still, it's not too late to prevent the worst of climate change, says the 840-page report, which the White House is highlighting as it tries to jump-start often-stalled efforts to curb heat-trapping gases.

White House science adviser John Holdren called the report, the third edition of a congressionally mandated study, "the loudest and clearest alarm bell to date signaling the need to take urgent action." Later this summer, the Obama administration plans to propose new and controversial regulations restricting gases that come from existing coal-fired power plants.

Some fossil energy groups, conservative think tanks and Republican senators immediately assailed the report as "alarmist." Senate Republican leader Mitch McConnell of Kentucky said President Barack Obama was likely to "use the platform to renew his call for a national energy tax. And I'm sure he'll get loud cheers from liberal elites - from the kind of people who leave a giant carbon footprint and then lecture everybody else about low-flow toilets."

Republican Sen. David Vitter of Louisiana said the report was supposed to be scientific but "it's more of a political one used to justify government overreach."

The report - which is full of figures, charts and other research-generated graphics - includes 3,096 footnotes to other mostly peer-reviewed research. It was written by more than 250 scientists and government officials, starting in 2012. A draft was released in January 2013, but this version has been reviewed by more scientists, including twice by the National Academy of Science which called it "reasonable," and has had public comment. It is written in a bit more simple language so people can realize "that there's a new source of risk in their lives," said lead author Gary Yohe of Wesleyan University in Connecticut.

Environmental groups praised the report. "If we don't slam the brakes on the carbon pollution driving climate change, we're dooming ourselves and our children to more intense heat waves, destructive floods and storms and surging sea levels," said Frances Beinecke, president of the Natural Resources Defense Council.

Scientists and the White House called it the most detailed and U.S.-focused scientific report on global warming.

"Climate change, once considered an issue for a distant future, has moved firmly into the present," the report says. "Corn producers in Iowa, oyster growers in Washington state and maple syrup producers in Vermont are all observing climate-related changes that are outside of recent experience."

The report looks at regional and state-level effects of global warming, compared with recent reports from the United Nations that lumped all of North America together.

"All Americans will find things that matter to them in this report," said scientist Jerry Melillo of the Marine Biological Laboratory, who chaired the science committee that wrote the report. "For decades we've been collecting the dots about climate change, now we're connecting those dots."

In a White House conference call with reporters, National Climatic Data Center Director Tom Karl said his two biggest concerns were flooding from sea level rise on the U.S. coastlines - especially for the low-lying cities of Miami, Norfolk, Virginia, and Portsmouth, New Hampshire - and drought, heat waves and prolonged fire seasons in the Southwest.

Even though the nation's average temperature has risen by as much as 1.9 degrees since record keeping began in 1895, it's in the big, wild weather where the average person feels climate change the most, said co-author Katharine Hayhoe, a Texas Tech University climate scientist. Extreme weather like droughts, storms and heat waves hit us in the pocketbooks and can be seen by our own eyes, she said.

The report says the intensity, frequency and duration of the strongest Atlantic hurricanes have increased since the early 1980s, but it is still uncertain how much of that is from man-made warming. Winter storms have increased in frequency and intensity and have shifted northward since the 1950s, it says. Also, heavy downpours are increasing - by 71 percent in the Northeast. Heat waves, such as those in Texas in 2011 and the Midwest in 2012, are projected to intensify nationwide. Droughts in the Southwest are expected to get stronger. Sea level has risen 8 inches since 1880 and is projected to rise between 1 foot and 4 feet by 2100.

Climate data center chief Karl highlighted the increase in downpours, which are jumping by 30 percent to 60 percent elsewhere in the country besides the Northeast. He said last week's drenching, when Pensacola, Florida, got up to two feet of rain in one storm and parts of the East had three inches in one day, is what he's talking about.

"The projections for these kinds of changes are to continue as the globe continues to warm and the atmosphere is able to hold more water vapor," Karl said.

Since January 2010, 43 of the lower 48 states have set at least one monthly record for heat, such as California having its warmest January on record this year. In the past 51 months, states have set 80 monthly records for heat, 33 records for being too wet, 12 for lack of rain and just three for cold, according to an Associated Press analysis of federal weather records.

The report also says "climate change threatens human health and well-being in many ways." Those include smoke-filled air from wildfires, smoggy air from pollution, and more diseases from tainted food, water, mosquitoes and ticks. And ragweed pollen season has lengthened.

Flooding alone may cost $325 billion by the year 2100 in one of the worst-case scenarios, with $130 billion of that in Florida, the report says. Already the droughts and heat waves of 2011 and 2012 added about $10 billion to farm costs, the report says.

___

Follow Seth Borenstein on Twitter at http://twitter.com/borenbears

Copyright 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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