The Alarmists agree and say that CO2 is acting as a "feedback mechanism"
CO2 Lags Not Leads
The Catastrophe Comes from Feedback

CO2 feedback is false. The CO2 and temperature records show that CO2 at high levels doesn't stop temperature from falling.

More on CO2:
Carbon dioxide didn't cause end of last ice age, study says  (Sept2007)
Hurricane Forecaster: Oceans Cause Global Warming, Not CO2 (Apr 2007)
Global Warming is not due to human contribution of Carbon Dioxide  (Feb 2007)

Even with CO2 at the highest level in the last 650,000 years, scientists had to drill more than a mile in the ice and found that Greenland had a warmer past
DNA discovery reveals Greenland's warm past  (Jul 2007)

More on Greenland:
Global warming study has scientists at odds  (Jul 2007)
Latest Scientific Studies Refute Fears of Greenland Melt (Jul 2007)
Greenland warming of 1920-1930 and 1995-2005  (Jun 2006)

Videos
Global Warming - Doomsday Called Off (1/5) Search YouTube for the other parts.
Global Warming Lecture

Global warming provides the opportunity for liberal/moderate politicians to tax the people
New carbon tax will reach $830,000 by 2012  Apr 2008
Should Drivers Pay for Global Warming?  (Apr 2008)
Californians to fund $600m green research centre through energy bills  (Apr 2008)
Carbon tax worries cement makers  (Apr 2008)
Global Carbon Tax Urged at UN Climate Conference  (Dec 2007)

China is completing two new coal plants per week
China's 2030 CO2 Emissions Could Equal the Entire World's Today  (Feb 2008)
Climate agreement: Bush takes on India, China  (Apr 2008)
Why hurt the economy with taxes if doing something will mean very little?

More on China:
As China Roars, Pollution Reaches Deadly Extremes  (Aug 2007)
Made-in-China massive air pollution ignored by global warming gurus Al Gore & Maurice Strong  (Jul 2007)
Report: China Will Pass U.S. As Polluter  (Apr 2007)

Extreme Environmentalists/Liberals/Socialists use animals to push their agendas
U.S. Polar Bears Extinct in 50 Years...  (Sept 2007)
Polar bears `thriving as the Arctic warms up`  (Aug 2007)
Global Warming: Socialism’s Trojan Horse

The Sun warms
It's the Sun, Stupid  (Nov 2007)
Sun still main force in climate change  (Oct 2007)
The sun is not to blame for global warming, says study  (Jul 2007)
BBC Report on Sun and Climate Change Contradicts Its Own 2004 Story  (Jul 2007)
Canadian climatologist says sun causing global warming  (Jul 2007)
Mars Melt Hints at Solar, Not Human, Cause for Warming, Scientist Says  (Feb 2007)
Sun more active than for a millennium  (Nov 2003)
Sun more active than for a millennium  (Nov 2003) Alternative link
NASA Study Finds Increasing Solar Trend That Can Change Climate  (Mar 2003)

Biofuels
Food shortages: how will we feed the world?  (Apr 2008)More land being used for corn.
Junk Science: A New 'Green' Body Count Begins  (Apr 2008)
Biofuels scheme 'may damage environment'  (Apr 2008)
Corn-to-Ethanol: US Agribusiness Magic Path To A World Food Monopoly  (Sept 2007)
Scientists believe biofuels may contribute to global warming  (Sept 2007)
Before We Get Drunk on Ethanol, Let’s Make Sure We Get It Right  (Aug 2007)
Study: Renewable Energy Not Green  (Jul 2007)
A lunatic crop of laws for global warming  (Jul 2007)
The Great Biofuel Hoax  (Jun 2007)

Other
Sen. James Inhofe Shows Real Data to CNN's Global Warming Alarmist Miles O'Brien  (Jan 2007)
A Skeptic's Guide to Debunking Global Warming Alarmism (PDF)