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Originally posted by flycatch
Maybe the birds realize that they are ove rpopulated and the available food supply won't support the increase in added births.
Originally posted by deeprivergal
Obviously global warming is a big issue. Is there a way to reverse global warming or do humans have to adjust and evolve?
A secret report, suppressed by US defence chiefs and obtained by The Observer, warns that major European cities will be sunk beneath rising seas as Britain is plunged into a 'Siberian' climate by 2020. Nuclear conflict, mega-droughts, famine and widespread rioting will erupt across the world.
observer.guardian.co.uk...
Originally posted by shanti23:
"Saying global warming is a big issue is an understatement.
It is the issue we are all facing....People are still in denial though.."
shanti23 also said:
"We can only reverse it by stopping all carbon fuel burning and replanting the worlds rainforests. Not going to happen is it?"
shanti23 also quoted the "secret report":
"A secret report, suppressed by US defence chiefs and obtained by The Observer, warns that major European cities will be sunk beneath rising seas..."
Global climate patterns stretching back 740,000 years have been confirmed by a three-kilometre-long ice core drilled from the Antarctic, Nature reports.
Initial tests on gas trapped in the ice core show that current carbon dioxide (CO2) levels are higher than they have been in 440,000 years.
"There is great controversy as to whether human beings have changed the climate," said Professor McManus. "But there is no doubt about the fact that human beings have changed the Earth's atmosphere. The increased levels of greenhouse gases are geologically incredible."
news.bbc.co.uk...
Originally posted by Outland
That's a simplistic and misleading observation. While climate is changing (and always has and always will), the part that is in doubt for many (both scientific and not) is the degree, if any, of human contribution to it.
Despite what the IPCC and over hyped media have to say, there is not a true consensus on many factors (such as solar influence and the real effect of increased CO2) and numerous other factors are still poorly understood which is why climate models are still very much inaccurate (garbage in, garbage out).
Q Have humans contributed to the warming?
A. Yes, but there is debate over how much. Natural variability - such as that arising from changes in the sun's energy input to Earth, volcanic activity, and regional climate phenomena like El Ni�o-Southern Oscillation (ENSO) - does play a role in adjusting the global thermometer. But the observed temperature record cannot be wholly accounted for by natural causes. As the American Geophysical Union recently concluded: "It is scientifically inconceivable that - after changing forest into cities, putting dust and soot into the atmosphere, putting millions of acres of desert into irrigated agriculture, and putting greenhouse gases into the atmosphere - humans have not altered the natural course of the climate system."
Many scientific observations indicate that the Earth may be undergoing a period of relatively rapid change on timescales of decades to centuries, when compared to historical rates of change on similar timescales. Much scientific evidence indicates that these changes are likely the result of a complex interplay of several natural and human-related forces.
Although humans are relative newcomers in the vast scale of the Earth's geological history, we have become agents of environmental change, at least on timescales of decades to centuries. Atmospheric emissions of greenhouse gases and pollutants, and extensive changes in the land surface, have potential consequences for global and regional climate, weather, and air quality, the Earth's protective shield of stratospheric ozone, the distribution and abundance of many plant and animal species, and the health of ecosystems and their ability to provide life-supporting goods and services.
The scientific community has reached a strong consensus regarding the science of global climate change. The world is undoubtedly warming. This warming is largely the result of emissions of carbon dioxide and other greenhouse gases from human activities including industrial processes, fossil fuel combustion, and changes in land use, such as deforestation. Continuation of historical trends of greenhouse gas emissions will result in additional warming over the 21st century, with current projections of a global increase of 2.5�F to 10.4�F by 2100, with warming in the U.S. expected to be even higher. This warming will have real consequences for the United States and the world, for with that warming will also come additional sea-level rise that will gradually inundate coastal areas, changes in precipitation patterns, increased risk of droughts and floods, threats to biodiversity, and a number of potential challenges for public health.
We know that the earth has become warmer over the last century. The Intergovernmental Panel on Climate Change (IPCC), a group established by the World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP), reports that the average surface temperature of the earth has increased during the twentieth century by about 0.6� � 0.2�C. (The � 0.2�C means that the increase might be as small as 0.4�C or as great as 0.8�C.) This may seem like a small shift, but although regional and short-term temperatures do fluctuate over a wide range, global temperatures are generally quite stable. In fact, the difference between today�s average global temperature and the average global temperature during the last Ice Age is only about 5 degrees C. Indeed, it�s warmer today around the world than at any time during the past 1000 years, and the warmest years of the previous century have occurred within the past decade.
We also know that human activities�primarily the burning of fossil fuels�have increased the greenhouse gas content of the earth�s atmosphere significantly over the same period. Carbon dioxide is one of the most important greenhouse gases, which trap heat near the planet�s surface.
Climate Change
The European Union is at the forefront of international efforts to combat climate change, one of the greatest environmental and economic threats facing the planet and a top policy priority for Environment Commissioner Margot Wallstr�m. The Earth�s average surface temperature rose by around 0.6�C during the 20th century and evidence is getting stronger that most of the global warming over the last 50 years is attributable to human activities, such as burning fossil fuels and deforestation, which cause emissions of carbon dioxide (CO2) and other 'greenhouse' gases.
Climate change is one of the most significant environmental challenges the world has ever faced. We are already seeing the effects of climate change in Canada. The potential impacts on our health, economy and environment require us to take action.
With the ratification of the Kyoto Protocol, the Government of Canada has made climate change a national priority, and is working closely with Canadians and the global community to meet this challenge.
Climate change is one of the most significant sustainable development challenges facing the international community. It has implications not only for the health and well-being of the Earth's ecosystems, but also for the economic enterprises and social livelihoods that we have built upon this base. Creative responses based on solid research, shared knowledge and the engagement of people at all levels are required to meet the challenge posed by climate change.
The principal greenhouse gas concentrations that have increased over the industrial period are carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and chlorofluorocarbons CFC-11 (CCl3F) and CFC-12 (CCl2F2) [Hansen et al., 1998; Schimel et al., 1996]. The observed increase of CO2 in the atmosphere from about 280 ppm in the preindustrial era to about 364 ppm in 1997 (Figure 1) [Friedli et al., 1986; Hansen et al., 1998; Keeling and Whorf, 1998] has come largely from fossil fuel combustion and cement production.
Global warming and the resulting changes to the world's climate are a growing problem. If left to run its course, climate change will have significant impacts on our economy, our environment and our society. New Zealand and many other developed nations are taking action to reduce greenhouse gas emissions and thus reduce the effects of climate change.
Originally posted by shanti23
Now where's my Coca Cola gone. . ?
people are still in denial. . .
Originally posted by Outland
It's amazing that on a forum where "Deny Ignorance" is rule #1, some simply tend to regurgitate the same old stuff found elsewhere on the net instead of thinking for themselves and actually analyzing freely available data.
I could write pages of why the whole "anthropogenic induced 'global warming'" scenario is an overblown fraud and a scam, but this forum is too small and some "Art Bellian" minds are closed to only accepting doomsday scenarios.
The only scientific consensus of the scientists is that you either jump on the "global warming" bandwagon to preserve your career and get headlines, or you find your good reputation smeared. Fortunately, "the few scientists" (as Muaddib puts it) are hanging in there anyway. There are more than a "few", Muaddib. We only hear from the ones that the media chooses to write about.. the "few" who don't have to fear about losing their jobs because they're not backed by eco-whacko/green/socialist money.
Now as we are all being told (and some are faithfully believing), more of that nasty CO2 "greenhouse gas" equals more "greenhouse warming" (obviously, I'm leaving out some minor technicalities to keep things simple and brief, but you get my point).
Geeez... for a bunch of people who love to wallow in conspiracies, you can't smell this one under your nose? And this is only the tip of the melting iceberg.
Originally by Outland
I could write pages of why the whole "anthropogenic induced 'global warming'" scenario is an overblown fraud and a scam, but this forum is too small and some "Art Bellian" minds are closed to only accepting doomsday scenarios.
The Global Warming scenario can be likened to a religion.
It cannot be proven, but people will radically change their lifestyle because of it.
Global warming activists associate differing beliefs with low morality.
Natural disasters are credited to global warming, just like any other deity. And of course, the last chapter of the global warming story is a doomsday scenario.
Jim, NJ, USA
Originally by Outland
It's amazing that on a forum where "Deny Ignorance" is rule #1, some simply tend to regurgitate the same old stuff found elsewhere on the net instead of thinking for themselves and actually analyzing freely available data.
Originally posted by Outland
As we know, volcanoes can create a delayed mild cooling effect. That is clearly evidenced in the GTA data. However, we also need to realize that volcanoes spew out a large amount of CO2. Obviously, the cooling effects of ash and SO2 overcome the alleged warming of CO2, but where is this added CO2 in the CO2 data?
Originally posted by Outland
Are you growing your own food so that you won't be contributing to those nasty fossil fueled trucks and railroads that deliver products to your store? Ooops.. composting creates CO2 and methane.
Muaddib digs for a conspiracy..
"Outland, I am starting to think that you have some ulterior motive for posting at all in ATS. The only posts I have seen you respond to are those related with "global warming,".... and you always seem hell bend on downplaying any reports having to do with "climate change," even when there is real data that corroborates that human activity does have an impact, on climate change."
Muaddib said:
"This with the fact that you mentioned that ATS is a 'small forum'.."
Muaddib:
"..you even try to downplay this more by namecalling -- saying people who fund scientists that believe that human activity probably does have an effect on the climate must be socialists?"
Muaddib rebutted:
"There are other gases that are emitted by human activity into the atmosphere, and quite a few of these other gases absorb heat more than CO2 (carbon dioxide)."
Muaddib misconstrues my point:
"We also dump tons of harmful chemicals into the oceans...", "..carbonic acid dissolves calcium carbonate, which is needed by sea creatures.."
shanti23 rebutted:
"One could argue that mankind has had no effect what-so-ever on this planet, but it wouldn't be true."
Originally posted by deeprivergalTony Juniper, Director of Friends of the Earth states, "This is an incredible even. The catasrophe of these seabirds is just a foretaste of what lies ahead.
Muaddib jabbed:
"Your points also sound like excuses that those involved in the industries that release such gases and chemicals into the environment would come up with."