Chicago Physicians for Social Responsibility is dedicated to promoting a healthier Chicago and improved public health worldwide through advocacy and education about the effects of climate change, environmental toxins, and other environmental threats to hu Chicago Physicians for Social Responsibility is dedicated to promoting a healthier Chicago and improved public health worldwide through advocacy and education about the effects of climate change, environmental toxins, and other environmental threats to human health. We inform physicians and the public about health issues relating to violence prevention, environmental degradation, nuclear energy, and national security.