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Earth's atmosphere today contains about 370 ppm CO2 (0.037%). Compared to former geologic times, our present atmosphere, like the Late Carboniferous atmosphere, is CO2- impoverished! In the last 600 million years of Earth's history only the Carboniferous Period and our present age, the Quaternary Period, have witnessed CO2 levels less than 400 ppm
There has historically been much more CO2 in our atmosphere than exists today. For example, during the Jurassic Period (200 mya), average CO2 concentrations were about 1800 ppm or about 4.8 times higher than today. The highest concentrations of CO2 during all of the Paleozoic Era occurred during the Cambrian Period, nearly 7000 ppm -- about 19 times higher than today.
The Carboniferous Period and the Ordovician Period were the only geological periods during the Paleozoic Era when global temperatures were as low as they are today. To the consternation of global warming proponents, the Late Ordovician Period was also an Ice Age while at the same time CO2 concentrations then were nearly 12 times higher than today-- 4400 ppm. According to greenhouse theory, Earth should have been exceedingly hot. Instead, global temperatures were no warmer than today. Clearly, other factors besides atmospheric carbon influence earth temperatures and global warming
ff.org...
Originally posted by whatsup
I agree with the OP. There are folks so hell bent on disproving climate change that it makes you wonder what the hell is going on with that.
"originally posted by manson_322"
lol, we have so much propaganda from NWO ,USa and oil companies in denying climate change , but the truth is exposed that USA/West are responsible for global warming and that now your nations must pay carbon tax to UN and developing countries as compensation for the harms inflicted upon them thanks to Global warming .....
next, we need a SUV tax on americans , who drive inefficient crappy SUV V8 monster engine garbage , Americans and their inefficient SUVs and industries are responsible for pollution
Unless China finds a way to clean up its coal plants and the thousands of factories that burn coal, pollution will soar both at home and abroad. The increase in global-warming gases from China's coal use will probably exceed that for all industrialized countries combined over the next 25 years, surpassing by five times the reduction in such emissions that the Kyoto Protocol seeks.
please prove it , as massive evidence shows that GW is not a farce , and by the way has USA signed the Kyoto Protocol ??? no, it has not
Originally posted by spitefulgod
I don't know who is behind it or if indeed it is a man made problem but I know that the last 3 summers in a row in the UK have been absolutely w**k.
Originally posted by philjwolf
reply to post by manson_322
What is this term climate change suppose to mean?? Dont get me wrong.. but the only thing Ive been hearing about is global warming... Is this climate change (term)... taking the place of global warming??? and why??
Panel warns on Great Barrier Reef
The reef is a huge tourist attraction
Australia's famous Great Barrier Reef could be dead within decades because of the effects of global warming, according to a leaked report.
The report, from the Intergovernmental Panel on Climate Change (IPCC), warns that the reef's coral could be bleached because of warmer seas.
IPCC scientists are meeting in Paris, and are due to release the first stage of their findings on Friday.
The Barrier Reef is Australia's leading tourist destination.
The draft comments, obtained by The Age newspaper, come from the second report which the IPCC will publish this year, dealing with impacts of climate change; the first reviews the overall scientific picture.
'Functionally extinct'
GREAT BARRIER REEF
More than 2,000 km long
Home to 1,500 types of fish
Only living thing the naked eye can see from space
The draft document warns that the Great Barrier Reef will become "functionally extinct" because of coral bleaching - which occurs when the animal organisms that make up the coral die, leaving behind a white limestone skeleton.
Bleaching occurs regularly during periods when water becomes unusually warm.
Many reefs in East Asia declined significantly during the El Nino conditions in 1997/8; it can take a decade for coral to start recovering from severe bleaching.
But in the future, the Barrier Reef may not have the chance to recover, scientists warn, as temperatures continue to rise and the sea becomes more acidic. This raises the risk that the coral will die outright.
The reef attracts a million visitors a year, and is home to sharks, turtles and numerous brightly coloured fish.
Farewell to Cute Koala Bears
Australia’s Climate Action Network reports that higher temperatures are killing off eucalyptus trees while higher levels of CO2 in the atmosphere are decreasing the nutritional value of the eucalyptus leaves Koala bears eat. They warn that the cute furry creatures could become extinct in the next few decades.
The world's leading climate scientists have warned that there is now 30 percent more carbon dioxide—the primary global-warming gas—in the atmosphere than a century ago. The burning of fossil fuels is the primary source of this CO2 pollution. Over the same period of time, the average surface temperature of the earth has risen more than 1 degree Fahrenheit.
Due to these changes, we are already seeing signs of global warming. The 1990s was the hottest decade on record and the 11 hottest years on record have all occurred in the past 13 years.
Extreme drought conditions and changing rainfall patterns have occurred across the country, setting the stage for wildfires, which decimated areas from Florida to California. Record heat waves have killed hundreds in Chicago and infectious-disease outbreaks linked to global warming have sickened or killed hundreds from Texas to New York, shut down Disney World and re-introduced Americans to dengue fever, malaria and encephalitis. Sea levels have risen between four and 10 inches and glacial ice is rapidly retreating on five continents.
The world's leading scientists warn that over the 21st century, CO2 levels are expected to double, raising sea levels two feet or more, worsening smog and leaving our children to cope with a more hostile climate.
America's cars and light trucks alone produce nearly 20 percent of U.S. CO2 pollution. That's more than all but four countries worldwide! And transportation is the fastest-growing sector of global-warming pollution in the nation. Popular light trucks pump out 237 million tons of global-warming pollution into our atmosphere each year. That's because every gallon of gas burned emits 28 pounds of CO2 into the atmosphere.
www.sierraclub.org...
If you drive an SUV, then you’re "driving" global warming, even more than the rest of us. In Bangladesh people spent three months of 1998 living in the thigh-deep water that covered two-thirds of the nation. The inundation came because the Bay of Bengal was some inches higher than normal (as climate changes, sea level rises because warm water takes up more space). That high water blocked the drainage of the normal summer floods, turning the nation into a vast lake. No one can say exactly how much higher that water was because of our recent fondness for semi-military transport in the suburbs. Maybe an inch, who knows? But the connection is clear. If you care about the people in this world living closest to the margins, then you need to do everything in your power to slow the rate at which the planet warms, for they are the most vulnerable. I was naked and you did not clothe me. I was hungry and you drowned me with your Ford Explorer.
www.religion-online.org...