halogamer1989 said: Global warming is a lie. We contribute some and need to clean up more but the atmosphere is like 1 percent carbon. Anyone heard of volcanoes? How about the cyclical nature of solar output. Hears something Gore and friends don't tell you: Mars' ice caps are melting, Jupiter's composition is changing as well as melting of it's icy moons, and many other solar system bodies are melting. Also, they leave out the Mini Ice Age in their calculations. |
I can't let this go.
As for volcanoes: http://volcanoes.usgs.gov/hazards/gas/index.php
Comparison of CO2 emissions from volcanoes vs. human activities.
Scientists have calculated that volcanoes emit between about 130-230 million tonnes (145-255 million tons) of CO2 into the atmosphere every year (Gerlach, 1999, 1991). This estimate includes both subaerial and submarine volcanoes, about in equal amounts. Emissions of CO2 by human activities, including fossil fuel burning, cement production, and gas flaring, amount to about 27 billion tonnes per year (30 billion tons) [ ( Marland, et al., 2006) - The reference gives the amount of released carbon (C), rather than CO2, through 2003.]. Human activities release more than 130 times the amount of CO2 emitted by volcanoes--the equivalent of more than 8,000 additional volcanoes like Kilauea (Kilauea emits about 3.3 million tonnes/year)! (Gerlach et. al., 2002)
As for the sun: http://www.realclimate.org/index.php/archives/2005/08/did-the-sun-hit-record-highs-over-the-last-few-decades/
Regardless of any discussion about solar irradiance in past centuries, the sunspot record and neutron monitor data (which can be compared with radionuclide records) show that solar activity has not increased since the 1950s and is therefore unlikely to be able to explain the recent warming.
As for the other planets, we have very little data, most of it coming in the past couple of decades. We really have little to no clue about the climatological cycles of the other bodies in the solar system. On the other hand, we have mountains of data for Earth. I think we should be using data about Earth to make conclusions about Earth, not using data about other planets to make conclusions about Earth.
I'm not sure what you mean by your last point. The current models are pretty good. Model A is only natural forcings, Model B in human activity, and Model C is everything combined. As you can see, Model C is pretty good. Here is were the picture is from: http://www.grida.no/publications/other/ipcc_tar/?src=/climate/ipcc_tar/wg1/figspm-4.htm

As for what is affecting the climate, it is not carbon by itself like you mention. Here are some links and the pictures: http://data.giss.nasa.gov/modelforce/ http://www.grida.no/publications/other/ipcc_tar/?src=/climate/ipcc_tar/wg1/figspm-3.htm


These also show how low the effect of the sun is compared to other things.