A letter to the editor from PSR board member Dr. Alan Lockwood.

The short film "Southend," which was financed by Iowa PSR, features interviews with Muscatine, Iowa residents on the health effects of local air pollution.

PSR chapters continue to make powerful strides to get the U.S. off of coal and onto clean, healthy, renewable energy sources. Just in the past week, PSR activists in Oregon, Iowa and Michigan conducted an impressive series of public events, media visits and Grand Rounds presentations.

“We can’t afford to ignore the costs of coal,” Maureen McCue, director of Iowa PSR and an adjunct clinical professor in the UI College of Public Health, told advocates Wednesday.

PSR Board member Dr. Jonathan Patz co-authored this study that shows the dramatic benefits of biking for environmental and public health.

Executive Director of Physicians for Social Responsibility, Dr. Peter Wilk, related the specific dangers that emanate from particulate matter air pollution.

Congress has launched another effort to dismantle the Clean Air Act, a law which has improved America’s air quality for 40 years.

Dr. Elliot Trester is part of Austin Physicians for Social Responsibility. He said he is seeing more respiratory cases and it's likely because of the smog in the air.

The news conference is being held by Sen. Barbara Boxer, D-Cal., the chairwoman of the Senate Environment and Public Works Committee, and will include public health experts from the American Lung Association and Physicians for Social Responsibility.

A letter to the editor from PSR board member Dr. Alan Lockwood on President Obama's rejection of new ozone standards.

President Obama recently ordered EPA Administrator Lisa Jackson to withdraw the EPA’s proposed national ambient air quality standard for ground-level ozone. This order, which ignores the scientific advice of the EPA’s own scientists, will allow ozone concentrations to continue unabated at levels that contribute to thousands of premature deaths and heart attacks each year.

A letter to the editor from PSR Sacramento president Dr. Harry Wang.

An op-ed by Dr. Martin Donohoe of Oregon PSR.

PSR joined the League of Women Voters in launching the “Promise Campaign,” a national drive that invites people and organizations to pledge to protect America's children and families from dangerous air pollution and to support policies that safeguard air quality.

Air pollution is damaging America’s health. It is hurting people, and it is killing people.

Pediatrician Dr. Lynn Ringenberg of PSR Tampa Bay discusses the health threats of coal pollution.

A new study released by NRDC and PSR ranks Maryland fifth worst in the nation for pollution from coal- and oil-fired power plants.

PSR joined with the Natural Resources Defense Council in releasing a study that identifies the states with the most toxic air pollution from oil- and coal-fired power plants.

"Toxins from coal-fired power plants cause cancer," says Dr. Lynn Ringenberg of PSR Tampa Bay.

The plaintiffs in the suit include Physicians for Social Responsibility-Los Angeles, Desert Citizens Against Pollution, Communities for a Better Environment and the Natural Resources Defense Council.