The Global Warming thread

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    The Global Warming thread

    http://www.stopglobalwarming.org/sgw_learnmore.asp

    What is Global Warming?

    The Earth as an ecosystem is changing, attributable in great part to the effects of globalization and man. More carbon dioxide is now in the atmosphere than has been in the past 650,000 years. This carbon stays in the atmosphere, acts like a warm blanket, and holds in the heat — hence the name ‘global warming.’
    The reason we exist on this planet is because the earth naturally traps just enough heat in the atmosphere to keep the temperature within a very narrow range - this creates the conditions that give us breathable air, clean water, and the weather we depend on to survive. Human beings have begun to tip that balance. We've overloaded the atmosphere with heat-trapping gasses from our cars and factories and power plants. If we don't start fixing the problem now, we’re in for devastating changes to our environment. We will experience extreme temperatures, rises in sea levels, and storms of unimaginable destructive fury. Recently, alarming events that are consistent with scientific predictions about the effects of climate change have become more and more commonplace.



    Environmental Destruction

    The massive ice sheets in the Arctic are melting at alarming rates. This is causing the oceans to rise. That’s how big these ice sheets are! Most of the world’s population lives on or near the coasts. Rising ocean levels, an estimated six feet over the next 100 years or sooner, will cause massive devastation and economic catastrophe to population centers worldwide.
    The United States, with only four percent of the world’s population, is responsible for 22% of the world’s greenhouse gas emissions. A rapid transition to energy efficiency and renewable energy sources will combat global warming, protect human health, create new jobs, protect habitat and wildlife, and ensure a secure, affordable energy future.



    Health Risks

    Malaria. Dengue Fever. Encephalitis. These names are not usually heard in emergency rooms and doctors’s offices in the United States. But if we don’st act to curb global warming, they will be. As temperatures rise, disease-carrying mosquitoes and rodents spread, infecting people in their wake. Doctors at the Harvard Medical School have linked recent U.S. outbreaks of dengue (‘breakbone’s) fever, malaria, hantavirus and other diseases directly to climate change.



    Catastrophic Weather

    Super powerful hurricanes, fueled by warmer ocean temperatures are the “smoking gun” of global warming. Since 1970, the number of category 4 and 5 events has jumped sharply. Hurricane Katrina, in September 2005 almost became a category 6 event. Human activities are adding an alarming amount of pollution to the earth’s atmosphere causing catastrophic shifts in weather patterns. These shifts are causing severe heat, floods and worse.



    Five Things We Can All Do

    • Join StopGlobalWarming.org. Together our voices will be heard!
    • Spread the world, share the learning. Send this link to family, friends, and colleagues. Share why this is so important.
    • Change begins at home. (See the list home-related Action Items)
    • Put the heat on your elected officials.
    • The power of the pocketbook.
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    Around the World, Warmer Temperatures Mean More Infections

    by: Joy Victory 25 April 2006
    April 25, 2006 - - At first glance, an outbreak of diarrhea among passengers on board a cruise ship in Alaskan waters in the summer of 2004 seemed to be relatively harmless.

    Health officials theorized it might be the Norwalk virus, a bug that often affects people living in close quarters, such as in nursing homes, hospitals and cruise ships. While certainly annoying, Norwalk usually doesn't cause
    serious illness.

    But then the lab reports started trickling in, and it showed that indeed a more serious problem was at hand -- many of the afflicted the passengers had eaten raw oysters raised in Alaska that were infected with a type of
    cholera-like bacteria, Vibrio parahaemolyticus, that normally grows on shellfish harvested in much warmer waters.

    The finding not only signaled a dangerous new risk to the Alaskan seafood industry, it also highlighted how surprisingly and directly global warming can affect human health, particularly in terms of infectious diseases, experts say.

    "Depending on the warming trend that unfolds in the years ahead, we have to accept that habitats will change ... new bugs can be expected to settle in. Every organism will find a niche," said epidemiology professor Colin Soskolne, of the University of Alberta in Canada. "With the tampering of the environment, we really can't predict with much certainty exactly what those
    changes will be."

    Not Safe for Consumption

    Global warming is caused by an increase in carbon dioxide and other industrial and auto emissions, which trap heat in the atmosphere and
    increase air and water temperatures.

    While he has personally noticed Alaska's shrinking glaciers and ice floes, global warming wasn't on the mind of Dr. Joseph McLaughlin as he
    investigated the cruise ship disease outbreak.

    He simply wanted to know why the oysters were suddenly at risk -- before this outbreak, no seafood in Alaska had ever tested positive for Vibrio because the ocean water was simply too cold for the bacteria to multiply.

    But that was no longer true: An analysis showed that Alaskan water was no longer as chilly as it once was, giving Vibrio a new home up north.

    "There's a sort of threshold level, above which concentrations of Vibrio in oysters become (accumulated) enough to cause illness in humans," said McLaughlin, a medical epidemiologist with the Alaska Department of Health and Social Services in Anchorage. "That temperature is about 15 degrees Celsius. What we found was that 2004 was the first summer on record during which the temperature exceeded that."

    Or as McLaughlin said in a report published in the New England Journal of Medicine last October: "Rising temperatures of ocean waters seem to have contributed to one of the largest known outbreaks of V. parahaemolyticus in the United States."

    The warmer water is unlikely to go away. Buoys placed by the National Oceanic and Atmospheric Association in 1976 have detected a steady annual
    increase of .4 degrees in the Gulf of Alaska, he said.

    "We're not talking about a little bay in Prince William Sound," McLaughlin said.

    Thankfully, the state health department got the word out about the outbreak and advised oyster farm owners to keep oysters deep enough where they would not be exposed to water any warmer than about 15 degrees C.

    It is just one of the many ways that Alaskans have had to adapt to documented changes in the climate and environment, McLaughlin said. But it
    serves as a strong warning signal.

    "We thought this was probably the best example of the potential of global warming impacting human health, as far as available evidence goes,"
    McLaughlin said.

    Mosquitoes and Ticks Spreading

    Across the world, another microscopic bug, malaria, has caused havoc in the lowlands of Africa. It is transmitted by mosquitoes, which thrive in hot, damp areas near stagnant bodies of water.

    Until recently, the mile-high city of Nairobi, Kenya, was relatively free of the disease.

    But now Nairobi, despite its elevation and climate, is in the midst of a malaria outbreak.

    And like the Alaskan bacterial outbreak, warmer temperatures are to blame, say scientists with the University of Michigan, the University of Hawaii, the University of Barcelona in Spain and the London School of Hygiene and Tropical Medicine.

    In their report, published in last month's Proceedings of the National Academies of Science, they determined that the mosquitoes were thriving in part because it was steadily getting warmer in East Africa's higher altitudes.

    This comes as no to surprise to public health researcher Dr. Paul Epstein, the associate director of the Center for Health and the Global Environment at Harvard Medical School and a medical doctor trained in tropical public health.

    Along with mosquito-borne diseases like malaria, yellow fever and West Nile virus, tick-borne diseases also are an increasing problem, he said.

    When winters are milder, more deer ticks produce year-round, transmitting infections such as Lyme disease and Rocky Mountain Spotted Fever.

    According to the Centers for Disease Control and Prevention, Lyme disease cases increased from 11,700 cases in 1995 to 21,304 cases in 2005. This year could be a bad one for diseases spread by warm weather-loving insects -- 2005 was the warmest year in the last 100 years, said NASA scientists.

    This not only causes more biting bugs to flourish, it also indirectly impacts humans' health in other ways. For example, when trees are weakened by drought, such as what's happening in pine forests from Alaska to Arizona,
    beetles eat the bark, weakening the trees even more and making them prone to wildfires, Epstein said.

    And those wildfires not only release more harmful carbon dioxide and soot into the atmosphere, they trigger another major health effect of globalwarming: asthma.

    Ragweed Loves Carbon Dioxide

    For years, doctors have noted an increase in asthma and allergies.

    While no one can link the increase directly to global warming, Epstein has strong evidence: When ragweed -- one of the most allergenic plants on the planet -- is grown in a carbon dioxide-rich environment, it grows 10 percent
    faster than normal, but produces 60 percent more pollen.

    While that's good for the plants, it's bad for people. Most people are allergic to something, and often it is plant pollen. In children especially, being exposed to an allergen can trigger a dangerous asthmatic response, or
    inflammation of the lungs.

    "As we see the seasons change and warmer weather has an earlier arrival in the spring, we're beginning to see shifts in asthma and allergies," Epstein said.

    What's worse, he said, is that the tiny dust particles emitted from diesel fuel attach to plant pollens, and these diesel particles further irritate the lining of the lung.

    Though there haven't been published studies showing that the rise in asthma cases is tied to global warming, Epstein said it is.

    "We're seeing it and we're all experiencing it," he said.
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    Coarse edged youth, the irish pendants string from their smiles
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    global warming is a load of doodoo!
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    Could it be that all those Massive Huricanes lately are sucking the warmth from the waters that would normally be flowing through this gulf stream. Maybe the Global Warming is warming and melting the Polar ice just enough to create a Swamp Cooler effect thus making the temps seem cooler in the summer. When these Swamp Cooler air currents meet up with the warmer tropical water tmeps we get these massive hurricanes. Have you noticed the rise in Humidity and rainfall lately?

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    Quote Originally Posted by ForemanRules
    That thread is worthless and old.

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    Quote Originally Posted by Vieope
    I deleted that post....Jodi might see it and ban me for another day
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    Question #1) When did the current warming trend start?

    Question #2) Is this the hottest the world has ever been?

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    Due to the Swamp cooler effect critics of global warming think they have proof that there is no global warming, sad thing is that they don't look at the fact that glaciers around the world have shrunk in size drastically over the past century.
    Coarse edged youth, the irish pendants string from their smiles
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    but oh they have yet to be experienced and that makes aging so very worth it...ML circa2012

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    In a geological timescale, we have been on earth such a short time that we can't even begin to blame "global warming" on green house gasses and such. Even if the earth is warming, it may just be a normal cycle that the earth goes through.
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    Quote Originally Posted by maniclion
    Due to the Swamp cooler effect critics of global warming think they have proof that there is no global warming, sad thing is that they don't look at the fact that glaciers around the world have shrunk in size drastically over the past century.
    Care to answer my two questions?

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    Quote Originally Posted by ForemanRules
    I deleted that post....Jodi might see it and ban me for another day
    No it is fine. We are just debating.
    Damn what did you do to get banned?

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    Quote Originally Posted by Vieope
    No it is fine. We are just debating.
    Damn what did you do to get banned?
    He was born.

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    An Overwhelming Consensus
    The most important fact to note when discussing the issue of global climate change is that, for the professional scientific community, the debates about whether global climate change exists and whether human activity is contributing to that change are over. The scientific consensus is now so overwhelming that the only reasonable course of action is to treat human-created global climate change as a fact, and move the debate to what to do about it.
    Of course there is still a very small group of scientists who remain skeptical about whether climate change exists and whether humans have caused it, but their number and the strength of their arguments are so insignificant that they should not be interpreted as representing the forefront of their field. The plain fact is that there always is, and always ought to be, scientific dissent about every theory that has been devised. That's how science works - through open questioning and testing of hypotheses.
    We don't want to censor the tiny number of dissenting scientists, but we do think that it's very important to place their ideas in context. The immense majority of scientific experts have concluded that the claims of these skeptics are just plain incorrect, not fitting with the huge amount of data on global climate change that has been collected.
    Scientific consensus is never a final determination of truth, and we must retain the freedom for scientists to disagree with the current consensus. However, when it comes to global climate change, the issue is what public policy-makers ought to do on a practical level. On a practical level, it's insane to wait for absolutely universal consensus before taking action. We need to work with the best information we've got, and the best information overwhelmingly points to serious, human-induced global climate change.
    As much as science works through dissent, it also works through peer review. That means that when one scientist comes up with certain findings, they need to be replicated by other scientists. The process of peer review is what enabled the scientific community to quickly debunk the popular craze about cold fusion energy technology, and it's what prevents scientists in general from simply making outlandish statements about what they believe to be true. Consistent evidence that fits with a hypothesis is necessary before that hypothesis is treated as true.
    For this reason, it is inappropriate to claim that one dissenting voice is capable of destroying a theory that has gained widespread acceptance in the scientific community. There are still people who claim that the Earth is really flat, but they can't back up their claims in a peer-reviewed process, and that's why they're not taken seriously. Creation "scientists" too, make plenty of claims, but those claims are not capable of withstanding review by other scientists, and so they are dismissed. When it comes to global climate change, there are dissenters, but they have not been able to come up with significant information that meets the standards of their peers. So, as earnest as these individuals are, we do not have any reason to trust that their ideas are reliable.
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