Make a difference in the challenge to confront global warming and prevent nuclear war and the development and use of nuclear weapons.
If you are a health professional, add your name now to the letter to President Obama.
Fact Sheet: Heat's Deadly Effects
Climate change is acknowledged by scientists around the world to be a reality and to be caused primarily by human activity, especially the burning of fossil fuels. As the earth warms, the delicate balance of climate, weather events and life is disrupted. Consequences emerge that threaten health and, ultimately, survival. Climate change is likely to increase the frequency of "extreme heat events" or heat waves.