Is Global Warming a Myth?

by Julian
(Texas)

I've been told that climate change is a political tool to scare the masses into buying "green" products.

I want to know, how much evidence is there for "global warming" and is it really as bad as some people make it seem?

Answer

There is an incredible amount of evidence of global warming that scientists have already observed.

You can summarize the physical evidence of climate change via
  • Sea level rise
  • Global temperature rise
  • Warming oceans
  • Shrinking ice sheets
  • Declining Arctic sea ice
  • Glacial retreat
  • Extreme events
  • and Ocean acidification.
Since the mid-19th century, scientists have understood the heat trapping capability of greenhouse gases like carbon dioxide.

Furthermore, NASA scientists recorded the change in solar activity over the years which do not correlate with the rapid increase of temperature we have seen in the last few decades.

There is now more carbon dioxide in our atmosphere than at any point in the last 650,000 years and our global temperature is increasing at a rate unprecedented in the past 1,300 years.

The position of the Intergovernmental Panel on Climate Change (IPCC) on January 2001 was that
An increasing body of observations gives a collective picture of a warming world and other changes in the climate system... There is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.

Scientific Consensus

Currently, the official scientific opinion on climate change is that global warming is not only happening right now but that it is more than 90% certain that humans activities are causing it by increasing concentrations of greenhouse gases in the atmosphere.

Climate change is truly mankind's greatest challenge and will affect every single ecosystem on this planet.

Millions of people will die on a yearly basis in the near future and things will worsen if inaction persists.

Learn more about the effects of climate change

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Oct 07, 2012
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US Presidential Debates
by: Jeff

The two scariest moments in the US presidential debates. Romney, "I believe in clean coal." Obama, no reply.

Climate change is the real WMD, and neither candidate is doing anything about it. Come on, pol's, heed the words of MLK, "There is never a wrong time to do the right thing."

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