Where are accessible statistics on the web to back up the Global Warming theory?

I'm looking for detailed statistics. Yearly and /or monthly temperatures for major North American cities over a period of at least a century would be a good start.

Where are accessible statistics on the web to back up the Global Warming theory?
The problem with global warming is that when compared to the earth's history it's a cycle. At the same time, the earth has gone through several cooling (glacial periods). Combining the two makes it a hot debate at this current point. There is no doubt that humans have increased consumption of resources and placed more global-warming gasses than previous generations. However, it can be difficult to discern what is natural and what is actual human based on these cycles. Below are a list of sites that you may view. They take consideration of ice-cores, vegetation change, tree rings, sea and salt levels, and other factors that revolve around the study of our climatic history or (paleoclimatology)
Reply:This is a good question. One excellent place to begin is your local newspaper or if you wish you can go on-line to the Washington Post.com or New York times or other papers and use their archive search features using global warming as a keyword. This will give you everything that has been printed in the paper for whatever period of time you specify. In these articles you will find references to the most current research results, who the researchers are, where their results have been published, and so on. You can then retrieve the original publications through your local library. I heartily recommend this approach over a reliance on doing a web search alone. All too often what we find on the web is not well documented, incorrect citations, and questionable conclusions. I would go to the web only to do the newspaper archive search.





In conducting a similar search the other day on a similar question I dialed up washingtonpost.com, went to the bottom of the page, and typed in "global climate change" in the search box. The search came back with 161 results in the past 60 days alone together with short abstracts on each article. You may click on any of these to retrieve the entire article. This is a quick and honest way to do your research and it will be easy to document, with dates, authors, article names, and newspaper.