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Climate Change: Not Just CO2

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STILETT0

STILETT0

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"Okay firstly, unnatural climate change is happening and it is due mainly to carbon dioxide from fossil fuels. This is immediately obvious to anyone who bothers to do any research"

1. do some further research, CO2 is NOT the main source for the warming (if any)

2. what warming (NOT IN THE QUOTED SECTION ABOVE)? provide a graph (doubt its possible here though :\) that shows the "increase in the earth's average temperature".

28-Aug-2011 18:36:45

Abbem 20

Abbem 20

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I hope you do know what you're talking about Bsat. I have done research on it. There are plenty of graphs that show you the warming of the earth.
In fact, it's much harder to find a graph that does not show this, and if you have one, chances are that it is not from a reliable source.

CO2 may not be the main source for the recent exceptional warming, but it is a trigger for what can happen. With increased CO2 concentrations (from 220 to 380 ppm), the earth will warm slightly. This triggers several events, like increased water evaporation (water is a greenhouse gas), reduced CO2 absorption from oceans and increasing albedo from melting tundra. It is these feedbacks that account for most of the warming that is yet to come, but they need to be triggered by something else.


Whenever you talk about science, you should look for peer-reviewed sources, not just anything on the internet. There are many sites that spit out anti-climate change propaganda with some nice rhetorics, but they do not address the main concerns of climate science.

29-Aug-2011 11:21:08 - Last edited on 29-Aug-2011 11:28:43 by Abbem 20

[#BN6WDS59I]

[#BN6WDS59I]

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I was reading a while ago that the montreol protocol probably delayed really serious climate change by about 20 years.

I think they are working on a new treaty now to control HFCs as well, if that goes well (and I'm pretty sure its on track (even republicans support it, last I read of it)) it would be the equivilant of adding another ten years before the advent of 2+ degree rise in tempreture.

Something positive to think about :)

29-Aug-2011 12:09:06

Abbem 20

Abbem 20

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I don't know whether you're referring to the Montreal Protocol or the Kyoto Protocol.

At the Montreal protocol in 1989, use of CFC's was ruled out completely. CFC's have little to do with climate change, although they are a strong greenhouse gas. CFC's cause a hole in the ozone layer, which exposes certain parts of the earth to dangerous levels of UV-radiation.

HFC (hydrogen-fluor-carbon) control is a bit strange at the moment. There appear to be cases where a producer of HFC-22 makes more money by capping the emission of it's by-product HFC-23, than by producing HFC-22. So I guess new regulation is needed for that.
HFC-23 is a roughly 10.000 times stronger greenhouse gas compared to CO2, but it is only found in trace quantities in the atmosphere.

29-Aug-2011 14:47:37 - Last edited on 29-Aug-2011 14:50:55 by Abbem 20

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31-Aug-2011 05:06:25

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