Cause of global warming

The phenomena. Historically, all of the Earth's climate changes were attributed to natural forces such as volcanic eruptions, Earth's orbital changes, and the amount of released solar energy. That changed with the introduction of the Industrial Revolution late in the 18th century, when human activities began to alter the global climate and environment.

The Industrial Revolution

The onset of the industrial revolution has paved way for the advancement of human technology. As more people relied on technology, numerous tools and devices were invented to make life easier for men. However, the emergence of these inventions has also resulted in the dependence of man to energy. The influx of energy usage from fossil fuels, coal, oil or gas has also resulted in the inception of human-induced rapid climate change. The demand for energy around the world is currently at more than 80% of the world-wide energy demand. Most of this is from fossil fuels such as gas, oil, and coal. Since the energy demand is too high, there hasn't any other alternative source yet with this magnitude which could replace fossil fuels in the short or medium term. Thus the drastic increase in the emission of CO2 (carbon dioxide) within the last 30 years caused by burning fossil fuels has been identified as the major reason for the change of temperature in the atmosphere.

Greenhouse gases and global warming

Greenhouse gases regulate our climate by trapping heat and holding it in a kind of warm-air blanket that surrounds the planet. They are necessary for keeping the Earth's temperature warm enough to support life. This occurrence is scientifically called the "greenhouse effect." The problems related to global warming which we have encountered for decades started when human activities added more greenhouse gases into the atmosphere which disrupt and speeds up the natural process thereby warming the planet to more than the right temperature. Scientists revealed that as the concentrations of these gases continue to increase in the atmosphere, the Earth's temperature will also continue to climb above past levels eventually making the Earth become less habitable for humans, plants and animals. Burning fossil fuels by driving cars, using electricity from coal-fired power plants, or heating our homes with oil or natural gas are just some of the human activities that emit this carbon dioxide into the atmosphere in overwhelming proportion.

Global warming and its consequences

For decades, the rapid pace at which the temperature has risen had already resulted in many negative impacts to humans and the environment and this has created a world-wide concern. Most scientists believe that the warming of the climate will lead to more extreme weather patterns which may accelerate species extinction, influence the length of seasons, results in poor yield of crops, trigger flooding in costal lines, sets off abrupt climate changes and results to more frequent and violent storms.

The Most Terrifying Video You'll Ever See

Causes and Effects of Global Warming
Causes and Effects of Global Warming Causes and Effects of Global Warming
Causes and Effects of Global Warming

Over 8 million total views. Now there's a book: "...superbly crafted...A must read." -Gen. Anthony Zinni, US CENTCOM Commander (Ret.) "This book trumps most of our accounts of the global warming crisis." --author Bill McKibben"Al Gore should share his Nobel peace prize." -The "New Scientist""This is a tremendous book and well worth anyone's time to read.... You're in for a treat—Craven is funny as well as exceptionally clear, and wise." --Kim Stanley Robinson, Hugo and Nebula Award-winning author of the Mars Trilogy and Science in the Capital"This is a terrifically thoughtful book.... Cravens book shines an illuminating floodlight on how we think about global warming."--Ross Gelbspan, author, "The Heat Is On" and "Boiling Point"On Amazon: http://snurl.com/kjpvpGreg Craven (that's me!), the creator of "The Most Terrifying Video" never intended to write a book. It just sort of happened. All as a result of the two-year back-and forth I've had with the YouTube community about this video and its follow up marathon "How It All Ends."So now "What's the Worst That Could Happen? A Rational Response to the Climate Change Debate" is available from Amazon and other sellers through the links at www.gregcraven.org, as well as your local bookstore (I hope!).Check it out if you're intrigued by the argument in this video.On Amazon: http://snurl.com/kjpvpTrailer for the book: http://www.youtube.com/watch?v... the critics are saying: http://www.gregcraven.org/en/t... a 25-page preview: http://www.gregcraven.org/en/t... the press: http://www.gregcraven.org/en/t... REASON THE COMMENTS ARE CLOSED ON THIS VIDEO is that most of the criticisms of what's presented here have been addressed by the bruisingly thorough 7-hour How It All Ends video project, the discussion is happening over there. I spent months combing through literally tens of thousands of critical comments to find every single objection, criticism, "Yeah but," and "You missed a spot" that I could to this video. You might find the results interesting, and hopefully, helpful: http://www.youtube.com/view_pl... can post comments there. But to tell the truth, the conversation has moved even farther along, since the criticisms to those videos gave rise to the book, which now has its own discussions going at http://www.manpollo.org/forums...

Channel: News & Politics
Uploaded: November 30, 1999 at 12:00 am
Author: wonderingmind42

Length: 09:33
Rating: 3.9789808
Views: 5376206

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Video Comments

101orson101 (November 30, 1999 at 12:00 am)
The story pointed out that UNTIL this most recent SATELLITE data was released. Only 30 or so Glaciers, out of 200,000, have actually been studied. And then that data was interpolated as though it applied to ALL glaciers. Now WHO could have done that? The results of the SATELLITE data, which actively studied almost ALL the glaciers, showed that the amount of shrinkage had been exagerated by around 30%.
101orson101 (November 30, 1999 at 12:00 am)
NEW NEWS! I have just read two different stories by two different writers from the same source; with two widely diferent headlines. Even though they both cited and copied the exact same story from yet a third writer at a different source. The headlines?"Ice caps not shrinking as much as once thought, new data show."AND."NASA satellites reveal colossal ice melt, greenhouse gasses blamed."The SAME story and study spun two diferent ways? I wonder why? I KNOW why.
Polaroid731 (November 30, 1999 at 12:00 am)
Plus... I have definitely seen much more terrifying videos..
Polaroid731 (November 30, 1999 at 12:00 am)
I dont see how taking an action can lead to a global depression in the scenario of a false global warming and not taking to one in a real global warming scenario... In the simplicity of your argument, it is to assume both costs are the same...
RandomVersion (November 30, 1999 at 12:00 am)
Global Cooling NewsSnow blocks in tens of thousands as cold death toll risesExpatica 11 February 2012 Snow drifts reaching up to rooftops kept tens of thousands of villagers prisoners in their own homes Saturday as the death toll from Europe's big freeze rose past 550.More heavy snow fell on the Balkans and in Italy, while the Danube river, already closed to shipping for hundreds of kilometres (miles) because of thick ice, froze over in Bulgaria for the first time in 27 years
1alpha2bravo (November 30, 1999 at 12:00 am)
oops, previous post intended for advertisement before video
1alpha2bravo (November 30, 1999 at 12:00 am)
BUT IT DOESN'TGET SOME!!!!
Nightversionn (November 30, 1999 at 12:00 am)
@buchedda That's good to hear. When it comes to climate change, you won't hear much from our elected officials, or the media, but I'm glad to hear the professors with doctorates are well-informed on the issue, as they very well should be (well, so should everyone else, but they're not)We certainly do need political action, at the national and global level no doubt.
101orson101 (November 30, 1999 at 12:00 am)
@Nightversionn And with every person dead on Earth/ There would still be Oxygen and CO2 and LIFE on Earth. You must think all of humanity is as pansy assed as you are? Since the first man arose. Humankind has thrived and grown thru BOTH hot and cold periods. Man is NOT going to die off because of anything you have said. YOU MAY. But mankind will not. Just look at what I posted they were saying in 1922? The SAME BS YOU say today. BIG SURPRISE!
101orson101 (November 30, 1999 at 12:00 am)
@Nightversionn Idiot child. If you knew anything about the planets, never mind Venus alone, you would understand how stupid what you just said was. BUT as it is. That kind of inherent stupidity has never stopped you before now. Shit for brains. Venus has NO magnetic core. And 96.5% of it's atmoshere is CO2. 3.5% nitrogen. NO Oxygen. While the EARTH has flouished for BOTH plant and animal life with BOTh temps and CO2 much higher than today.
Effects of global warming

Climate Change. Scientific researches have already revealed that the effects of global warming in the 21st century and beyond are expected to be disastrous. Many of these changes are already under way. Recent studies conducted by Working Group II of the United Nations' Intergovernmental Panel on Climate Change (IPCC), states that the increased greenhouse gas concentrations are very likely to increase the Earth's average temperature, influence precipitation, and some storm patterns as well as raise sea levels. In addition to this, the United States National Academy of Sciences has warned that "greenhouse" warming and other human alterations of the earth system may increase the possibility of large, abrupt, and unwelcome regional or global climatic events.

Projected Impacts of Global Warming

A board organized by the U.S National Research Council in June 2006 expressed a "high level of confidence" that Earth as we know it today has experienced the hottest climate for the last 400 years, and possibly even the last 2,000 years. Studies have shown that, for the last century, there has been an increase in the average global surface temperature of roughly 0.3-0.6 degree Celsius (0.5-1 degree Fahrenheit). This global warming will potentially lead to future large-scale and possibly permanent effects at continental as well as global scales. The likelihood, magnitude, and timing is uncertain and contentious but some examples of projected impacts that will occur are more frequent and more intense heat waves, droughts, severe storms, more floods, degraded water quality, and increased spread of infectious diseases. If for the past 100 years such overwhelming effects were observed while the globe warmed up by an estimated average of merely 0.6 degree Celsius (1 degree Fahrenheit), this phenomenon will likely get worse by the year 2100. By that time, temperatures could increase by 6 degree Celsius (11 degree Fahrenheit).

Global Warming and the Society

The effects of global warming will be felt in every region worldwide and at all levels of society. Reports from the United Nations' Intergovernmental Panel on Climate Change (IPCC) confirmed with 90 percent certainty that global warming is now inevitable and humans are primarily accountable for a significant portion of the heat-trapping greenhouse gases that have caused global temperatures to rise significantly since the middle of the 20th century. It also made clear that while poor people worldwide will suffer most from the effects of global warming, no person on Earth will escape its consequences.

Causes and Effects of Global Warming © 2008 Causes and Effects of Global Warming.
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