YonathanBegopa writes: Chicago and Los Angeles will likely to face increasing heat waves. Severe storm surges could hit New York and Boston. And cities that rely on melting snow for water may run into serious shortages. These are some of the findings about North America in a report by hundreds of scientists that try to explain how global warming is changing life on Earth. The scientists with the Intergovernmental Panel on Climate Change released a summary of their findings on global warming last Friday and outlined details of the report focusing on various regions on Tuesday.