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The amount of publicly available climate change information is a positive development for the Kyoto Protocol and for whatever eventually succeeds it ("The naive optimist", É«ºÐÖ±²¥S, August 24).

For those interested in reducing their own greenhouse gas emissions, Aubrey Mayer and colleagues have compiled a list of websites dealing with individual "carbon calculators" at

Also check out a publicly funded initiative in Australia called Cool Communities at

Dave Reay
University of Edinburgh