why do you believe in global warming?

Question

IMO it doesnt exist as everything is cyclic and scientists on both sided make good points more for the scients who discount it.
I believe Al Gore has done a good marketing job in favor of Global warming to build himself up like how he 'invented the internet'?

Answer 1

I don't believe Al Gore's inconvenient myth. When I was growing up all the hype was that we were heading for another ice age. Come on people, you can't have it both ways. Besides, when God decides he is ready for this planet to end, it doesn't matter how many trees we hug or how many bags we recycle. I am not saying we should intentionally abuse our planet, but as for me I put far more stock in God than I do in Al Gore.

Answer 2

initially, worldwide Warming isn't worldwide warming. i've got self belief in worldwide warming...that the earth is in a warming style. it is easy. (besides the reality that the severity of the warming is being oversold by activists.) however the earth warming would not start to instruct all of world Warming alarmists' claims. in accordance to organic technology the earth is often the two warming or cooling. in accordance to organic technology (on which worldwide Warming supposedly bases its authority) Europe became coated in Ice in the semi-modern previous. This ice melted long in the previous any of the meant reasons of world Warming existed. How? Mars is likewise experiencing planatary warming. How? guy isn't there polluting something. as far as greenhouse gases flow...the mere coexistence of phenomena would not point out causality. And critical to a concept in worldwide Warming is a static view of the earth's environment. The organic international isn't static. i'm open to concept in worldwide Warming, however the information isn't there. Why?

Answer 3

There are many basic scientific facts which can only be explained if the current global warming is being caused by an increased greenhouse effect due to carbon dioxide accumulating in the atmosphere from humans burning fossil fuels.

http://answers.yahoo.com/question/index;_ylt=As6MMc8lLk5ZrMSOAhywS77sy6IX;_ylv=3?qid=20071215102828AAxyWW6

Basically we know it's warming, and we've measured how much:

http://www.epa.gov/climatechange/science/recenttc_triad.html

Scientists have a good idea how the Sun and the Earth's natural cycles and volcanoes and all those natural effects change the global climate, so they've gone back and checked to see if they could be responsible for the current global warming. What they found is:

Over the past 30 years, all solar effects on the global climate have been in the direction of (slight) cooling, not warming. This is during a very rapid period of global warming.

http://news.bbc.co.uk/2/hi/uk_news/6290228.stm
http://www.pubs.royalsoc.ac.uk/media/proceedings_a/rspa20071880.pdf

So the Sun certainly isn't a large factor in the current warming. They've also looked at natural cycles, and found that we should be in the middle of a cooling period right now.

"An often-cited 1980 study by Imbrie and Imbrie determined that 'Ignoring anthropogenic and other possible sources of variation acting at frequencies higher than one cycle per 19,000 years, this model predicts that the long-term cooling trend which began some 6,000 years ago will continue for the next 23,000 years.'"

http://en.wikipedia.org/wiki/Milankovitch_cycle#The_future

So it's definitely not the Earth's natural cycles. They looked at volcanoes, and found that

a) volcanoes cause more global cooling than warming, because the particles they emit block sunlight

b) humans emit over 150 times more CO2 than volcanoes annually

http://volcano.und.edu/vwdocs/Gases/man.html

So it's certainly not due to volcanoes. Then they looked at human greenhouse gas emissions. We know how much atmospheric CO2 concentrations have increased over the past 50 years:

http://en.wikipedia.org/wiki/Image:Mauna_Loa_Carbon_Dioxide.png

And we know from isotope ratios that this increase is due entirely to human emissions from burning fossil fuels. We know how much of a greenhouse effect these gases like carbon dioxide have, and the increase we've seen is enough to have caused almost all of the warming we've seen over the past 30 years (about 80-90%). You can see a model of the various factors over the past century here:

http://en.wikipedia.org/wiki/Image:Climate_Change_Attribution.png

This is enough evidence to convince almost all climate scientists that humans are the primary cause of the current global warming.

Answer 4

For the same reason as Admiral Truly. This is science and what counts is the data.

"I wasn’t convinced by a person or any interest group—it was the data that got me. I was utterly convinced of this connection between the burning of fossil fuels and climate change. And I was convinced that if we didn’t do something about this, we would be in deep trouble.”

Vice Admiral Richard H. Truly, USN (Ret.)
Former NASA Administrator, Shuttle Astronaut

Here are two summaries of the mountain of peer reviewed data that convinced Admiral Truly and the vast majority of the scientific community, short and long.

http://www.globalwarmingart.com/wiki/Image:Climate_Change_Attribution.png
http://ipcc-wg1.ucar.edu/wg1/wg1-report.html
summarized at:
http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-spm.pdf

There's a lot less controversy about this is the real world than there is on Yahoo answers:

http://www.worldpublicopinion.org/pipa/articles/home_page/412.php?lb=hmpg1&pnt=412&nid=&id=

And vastly less controversy in the scientific community than you might guess from the few skeptics talked about here:

http://en.wikipedia.org/wiki/Scientific_opinion_on_climate_change
http://www.sciencemag.org/cgi/content/full/306/5702/1686

"There's a better scientific consensus on this [climate change] than on any issue I know... Global warming is almost a no-brainer at this point. You really can't find intelligent, quantitative arguments to make it go away."

Dr. Jerry Mahlman, NOAA

By the way, the idea that Al Gore ever claimed to have invented the Internet is a political lie, just like "skepticism" about global warming. Proof:

http://www.snopes.com/quotes/internet.asp

Good websites for more info:

http://profend.com/global-warming/
http://www.ucsusa.org/global_warming/science/
http://www.realclimate.org
"climate science from climate scientists"
http://environment.newscientist.com/channel/earth/dn11462

Answer 5

The increase in global temperature in the last 10 to 20 years and the shrinking of antarctic ice makes me believe that global warming is for real.
Even in the event that there is no global warming, it is good to send a message to the corporations to look for greener solutions. Wouldn't it be prudent for mankind to stop polluting the environment and search for alternative, non-carbon, more natural fuels. Now that we have a number of developing nations in the World who are on an energy consuming spree, I do not think our demand for energy is going to decrease anytime soon. Besides looking for alternatives would also start driving the scientific mind and technology in a different direction, all of which is innovative and good on the long run.

Answer 6

As I read some of the responses to your question, the key word that keeps coming up is "belief" or "believe"...global warming in the context of global warming caused by humans has become a religion of sorts. The facts are not indisputable relative to cause and effect. It's clear that the average temperature of the earth has been increasing but it's been increasing steadily for the past 10,000 years when the last ice age peaked and it began to warm.

Answer 7

I grew up in the central USA during a cooling phase in the climate and the Winters were much colder then. I have to rely on the data form NASA and NOAA to tell me that the whole world is warmer than it was, but I do know that the area I live in has been warmer than it was is the 60s and 70s in the Winter.

That being said, I don't believe CO2 is a major climate driver.

“If CO2 is of such critical importance to climate change, why was there a large temperature rise prior to the early 1940s when 80 percent of the human produced carbon dioxide was produced after World War II? When CO2 levels finally began to increase dramatically in the post war years why was there a concomitant interval of about 30 years of cooling?

“There is no statistical correlation between the level of carbon dioxide in the atmosphere through the last 500 million years and the temperature record in the interval. In fact, one of the highest levels of carbon dioxide concentration occurred during a major ice age that occurred about 450 million years ago. Carbon dioxide concentrations at the time were about 15 times higher than at present.”

http://www.geocraft.com/WVFossils/Reference_Docs/The_Geologic_Record_and_Climate_Change.pdf

The whole CO2 climate driver theory relies on water vapor feedback. The human increase in CO2 alone will not cause the observed warming without a major increase in water vapor.

Historically there is much better correlation between solar activity and temperature than there is between CO2 and temperature.

There are numerous studies that show cloud cover decreases with solar activity, which allows more sunlight to reach the surface of the Earth. More sunlight at the surface cause more evaporation and more water vapor is the REAL increase in greenhouse effect.

Solar activity has been higher in the last 7 decades than it was in the last 8000 years.

http://www.spacecenter.dk/research/sun-climate/Scientific%20work%20and%20publications/resolveuid/86c49eb9229b3a7478e8d12407643bed

http://www.space.com/scienceastronomy/sunspot_record_041027.html

Answer 8

Again!! Another question asked wrong. The question you wanted to ask is: Why do you believe in Anthropogenic Global Warming? (Or maybe Why do you believe in Human induced Global Warming?) Do you see the difference? The thing is even us Skeptics believe our climate is warming up, we just don't believe humans are influencing it one way or the other. We skeptics know we need to gradually get away from using Oil and Coal, since those things aren't infinite.

We skeptics even know we need to reduce pollution in the air we breath and the water we drink, but we also understand what the US has already done to reduce real pollutants.

I also feel us Skeptics are practical and realize that not everyone is rich enough to just pick up and change the car they drive. Or that it isn't practical for everyone to either walk to work, ride a bike to work, or take a bus or other type of public transportation to work, since our cities aren't laid out in a way to make those things accessible to everyone. (Or even practical for everyone to take.)

Also can you imagine riding a bicycle to work in the winter?

Answer 9

I believe in global warming , because in fact there is global warming. I have read that the average temperature is increasing , however slightly, and that the arctic ice is melting, and there will be a true Northwest passage. So, therefore, the truth and facts show there is global warming. The problem is what is causing it. In my opinion , the real problem is that the United Nations wants to tax each country to help pay for global warming.

Answer 10

Global warming is not a question of belief. It is a fact, and even you admit it, so why are you asking this question? The Earth does go through warm and cool cycles, but there are ways to measure the sources of global warming. You evidently missed the studies showing that after 9/11 the Earth's global average temperature spiked - because the airplanes were all grounded and the contrails' reflection of light/heat stopped.

So get your head out of the dark place you have put it and realize that Greenland ice is melting and moving at a greatly accelerated pace and it has nothing to do with your "humble opinion."