Does Puget Sound Energy need 20 more years of relying on coal?
The utility says it's a leader in clean energy, but some want it to kick the coal habit quickly.
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#1 Oct 17, 2013
NO. Now the hot news..
LONDON (AP) What many commuters choking on smog have long suspected has finally been scientifically validated: air pollution causes lung cancer.
The International Agency for Research on Cancer declared on Thursday that air pollution is a carcinogen, alongside known dangers such as asbestos, tobacco and ultraviolet radiation. The decision came after a consultation by an expert panel organized by IARC, the cancer agency of the World Health Organization, which is based in Lyon, France.
"The air most people breathe has become polluted with a complicated mixture of cancer-causing substances," said Kurt Straif, head of the IARC department that evaluates carcinogens. He said the agency now considers pollution to be "the most important environmental carcinogen," ahead of second-hand cigarette and cigar smoke.
IARC had previously deemed some of the components in air pollution such as diesel fumes to be carcinogens, but this is the first time it has classified air pollution in its entirety as cancer causing.
The risk to the individual is low, but Straif said the main sources of pollution are widespread, including transportation, power plants, and industrial and agricultural emissions.
Air pollution is a complex mixture that includes gases and particulate matter, and IARC said one of its primary risks is the fine particles that can be deposited deep in the lungs of people.
The fact that nearly everyone on the planet is exposed to outdoor pollution could prompt governments and other agencies to adopt stricter controls on spewing fumes. Straif noted that WHO and the European Commission are reviewing their recommended limits on air pollution.
Previously, pollution had been found to boost the chances of heart and respiratory diseases.
In 2010, IARC said there were more than 220,000 lung cancer deaths worldwide connected to air pollution. The agency also noted a link with a slightly higher risk of bladder cancer.
Straif said there were dramatic differences in air quality between cities around the world and that the most polluted metropolises were in China and India, where people frequently don masks on streets to protect themselves. China recently announced new efforts to curb pollution after experts found the country's thick smog hurts tourism. Beijing only began publicly releasing data about its air quality last year.
"I assume the masks could result in a reduction to particulate matter, so they could be helpful to reduce personal exposure," Straif said. But he said collective international action by governments was necessary to improve air quality.
Other experts emphasized the cancer risk from pollution for the average person was very low but virtually unavoidable.
"You can choose not to drink or not to smoke, but you can't control whether or not you're exposed to air pollution," said Francesca Dominici, a professor of biostatics at Harvard University's School of Public Health. "You can't just decide not to breathe," she said. Dominici was not connected to the IARC expert panel.
A person's risk for cancer depends on numerous variables, including genetics, exposure to dangerous substances and lifestyle choices regarding issues such as drinking alcohol, smoking and exercising.
Dominici said scientists are still trying to figure out which bits of pollution are the most lethal and called for a more targeted approach.
"The level of ambient pollution in the U.S. is much, much lower than it used to be, but we still find evidence of cancer and birth defects," she said. "The question is: How are we going to clean the air even further?"
#2 Oct 17, 2013
Cancer rates in the U.S. by state resolutions. States having higher cancer rates than one might think, may be due to fossil fuel electrical power generation for other states needs OR electrical power generation in other states that are upwind from cancerous states(downwinders).
Of course, states with highest cancer rates are NOT coincidental to fossil fuel electrical generation facilities & general fossil fuel burning in those states.
#3 Oct 17, 2013
Thanks for the map, very interesting.
shows the cdc map for 2009. Texas seems to have improved and meets already the 2020 goal.
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