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Higher Temps, Stronger Storms and Increased Fire Danger to Accompany Climate Change

USGS predicts grim impacts if carbon emissions go unabated.

If worldwide carbon emissions continue at the present rate, rising temperatures could cause the Sierra Nevada to lose 80 percent of its winter snowpack in just 40 years, a United States Geological Survey scientist said today.

The decrease in snowfall was among several grim impacts that climate change could have on the Bay Area if current carbon emissions go unabated, USGS climate change coordinator Tom Suchanek said in a lecture called "Projected Climate Change Impacts in California."

Suchanek said that some effects of climate change are already impacting life in the Bay Area and across the country, such as year-round high temperatures that are "breaking records right and left."

"Temperatures are climbing all the time and climbing rapidly," he said.

Higher temperatures -- between 3 and 6 degrees higher depending on projection models -- carry a barrage of side effects, including heat waves that are longer-lasting and more intense, increased fire danger, and winter storms that are stronger, more violent and more frequent.

Suchanek said that "1,000-year storms" are already 10 times more frequent now than they were in the 1920s.

"We now have multiple 1,000-year storms per decade," Suchanek said.

Climate change is also expected to usher in a significant rise in sea levels, Suchanek said. With no change in current carbon emissions, sea levels are projected to rise at least 1.4 meters in Northern California by the year 2100.

Higher sea levels will bring higher wave heights, which will lead to increased beach erosion, cliff failures and coastal flooding, Suchanek said.

Cities, beach towns and every coastal ecosystem from marshland to redwood forest would be impacted, Suchanek said.

There is still hope to curb carbon emissions if countries that burn the most fossil fuels -- China, the U.S., India and Russia -- continue to develop alternative energy sources and work through the United Nations Framework on Climate Change to draft a treaty that would reduce emissions worldwide.

But for the U.S. to join any treaty, it first has to be ratified and approved by both houses of Congress, which in the current political climate does not seem likely at all, Suchanek said.

— Bay City News

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Flafreethinker March 23, 2012 at 05:18 PM
I hold a Bach. of Science in Environmental Sciences. Until the general public begins to understand the serious situation this planet is in, the grim realities will continue to spiral out of control. Big Oil is constantly putting forth mis information to contradict what is being stated about global warming. Their profits are enormous and any kind of switch to another form of energy is not to their liking. Education needs to be front and center with this problem and changing energy sources also has to happen to save our planet. Since profit before people is what makes this planet turn, we are not long for this world if major changes aren't made.

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