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Poll: Is Global Warming Real and Caused By Human Activity?

Scientists argue that the Earth is heading toward a catastrophic tipping point.

 

Scientists believe the Earth is rapidly approaching a catastrophic tipping point, driven by the activity of human beings, the Huffington Post reported this week.

The scientists argue that the Earth's climate is reaching a point of no return and that we are headed for rapid, destructive changes, the San Francisco Chronicle reported. The scientists say the changes will lead to mass extinctions, scarce resources for humans and eventual politcal and economic clashes.

The U.S. Environmental Protection Agency notes that Earth's average temperature has risen by 1.4 degrees in the last 100 years and could rise 2 to 11.5 degrees in the next 100 years.

The Nature Conservancy states that a quarter of the planet's species could go extinct by 2050. NASA predicts a decrease in crop yields for North America of 5 to 20 percent and up to 50 percent in Africa.

Scientists argue that one of the causes of climate change is the increase of carbon dioxide in the atmosphere. Since the Industrial Revolution began, scientist have said that human activity – deforestation, land use and the burning of fossil fuels – have increased carbon dioxide concentrations in the atmosphere by a third.

Critics of global warming say that the concern is overblown and off-base. Richard Lindzen, professor of meteorology at MIT, wrote in the Wall Street Journal that "Claims that climate change is accelerating are bizarre."

Lindzen stated that the Earth went thorugh a cooling period from the 15th century through the 19th century known at the Little Ice Age and some warming would be expected after that period.

U.S. Senator James Inhofe, R-OK, has been an outspoken critic of global warming science and suggested political motivations are behind it. Inhofe's book "Greatest Hoax: How the Global Warming Conspiracy Threatens Your Future" was published this year.

Jen McLick July 31, 2012 at 03:02 PM
DICK, Thank you! I prefer to be a sheep in sheep's clothing than an ass in ass clothing...such as yourself. heeeeehawwwww
Jen McLick July 31, 2012 at 03:16 PM
Dear Patch, Thank you for the valuable service your forums provide. It allows all these verbal masturbators a place to unload, thereby sparing their loved ones and casual acquaintances.
Bob July 31, 2012 at 04:06 PM
Richard, Jen seems agitated by you, shame.
Bob July 31, 2012 at 05:02 PM
The more I sit here and read all of this debate, the more it seems like 2 arguments. DSL350, there is a lot of scientific evidence that we are getting warmer, I'll give you that, the climate is always morphing into something different. The large question is, what do we do? How do we affect the climate? We should always strive to improve, better technologies can and will be created, and if it is marketable, and makes sense, we will improve. I do not believe these exist yet, and there are those that agree that government is not going to create these. The other angle is that the science has been hijacked, by Utopians that believe they can use it to their benefit. That is where Richard, Steve, McCloud, I and others start to have a problem. At what cost do we try to "fix" everything here? We have science, and we have politics. Both sides (political) tend to believe their B.S.ers, and here we sit. Jen McLICK, thanks for joining in, what a source of entertainment, you vile piece of meat.
Bob July 31, 2012 at 05:08 PM
Thanking the Patch? For a loaded survey? Is global warming real and caused by human activity? Yes. If we are not careful we will screw up the planet. (Oh, we better not do that) No. Things are fine. (We should do nothing) Kind of backs you into a corner. A simple Yes or No without the commentary would have been more accurate. Jen McLick, I hope I don't run into you in a dark alley, you are nasty.

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