Here are just a few of the peer reviewed climate websites:
Earth Systems Climate Change
This National Atmospheric and Science Administration (NASA) give up to date check up on earth’s climate systems and a variety of resources for assessing vulnerabilty and US government resources for climate mitigation and adaptation.
NCAR is a center of research excellence in Earth system science sponsored by the National Science Foundation. This website offers interactive climate models
The Intergovernmental Panel on Climate Change (IPCC) is the United Nations body for assessing the science related to climate change. The IPCC issues numerous science-based reports on global climate change.