Intergovernmental Panel on Climate Change (IPCC)
The IPCC is a multinational collaborative effort to assess the environmental and socio-economic impacts of climate change. They also provide outreach material for broader public consumption.
This site provides up to date information on climate legislation and detailed explanations on publications on climate research. The site is essentially a "one-stop" link for climate knowledge. Take away points.
A resource that summarizes, explains and discusses the most common climate science skeptic and denial myths. What does the current peer reviewed scientific literature actually say about climate change and do deniers' claims have any scientific basis?