On Wednesday, President Barack Obama took a meaningful step towards reducing the threat posed by nuclear weapons in his speech by Brandenburg Gate.

Today’s decision by Southern California Edison to shut down the crippled San Onofre nuclear power plant is a victory for public health, say California chapters of the Nobel-prize winning organization Physicians for Social Responsibility (PSR).

Pressure by PSR and Utah Physicians for a Healthy Environment helped Utah’s Governor Brian Sandoval make the decision to withdraw support from the Las Vegas/Snake Valley Water Pipeline project and continue to urge Nevada’s Governor Gary Herbert to withdraw support as well.

PSR applauds the UN General Assembly's adoption of the world's first Arms Trade Treaty that has come after years of work and negotiations. We urge the United States to work deliberatively to sign and ratify the treaty.

As negotiators from around the world head to New York for the final talks on an international Arms Trade Treaty at the United Nations next week, US President Barack Obama must take the lead in securing a strong global Arms Trade Treaty (ATT), a group of 18 Nobel Peace Prize winners said in an open letter delivered to their fellow Laureate at the White House today.

Physicians for Social Responsibility condemns the Democratic Republic of North Korea’s (DPRK) nuclear test detonation. This move will isolate the DPRK and make it increasingly difficult for diplomatic talks to succeed in decreasing tensions within the region.

The nuclear industry’s trade association is pushing so hard to get the NRC to do a hurry-up version of a court-ordered environmental impact statement on the long-term storage of nuclear waste that it is even pressuring the federal agency to rely on such unsatisfactory “evidence” as secret reports that the agency has reported as being lost, according to supplemental comments filed today by 24 leading national and grassroots environment groups.

In documents filed Tuesday with the Nuclear Regulatory Commission (NRC), a wide range of national and grassroots environmental groups said it would be impossible for the NRC to adequately conduct a court-ordered assessment of the environmental implications of long-term storage of spent nuclear reactor fuel in the two short years the federal agency envisions for the process.

Some children may be at greater risk from mercury in tuna than previously thought, finds a new study by the Mercury Policy Project.

Teresa Heinz and the Heinz Family Foundation today announced Dr. Richard Joseph Jackson, a pediatrician and public health physician, as a recipient of one of five prestigious Heinz Awards.

The same underlying “man-made” problems that contribute significantly to the Fukushima reactor disaster in Japan are in place in the United States and require preventative actions that go far beyond the limited steps taken far by the U.S. industry and its regulators, according to five groups commenting today on the English-language version of the official report of the Japanese Parliament’s Fukushima Nuclear Accident Independent Investigation Commission.

Physicians for Social Responsibility (PSR) today announced its endorsement of Dr. Allison Macfarlane as chair of the Nuclear Regulatory Commission (NRC).

PSR sent the letter to the Hill and Administration yesterday afternoon on behalf of 140 public interest groups in the 14 Senate conferee states asking for a clean transportation bill, particularly one without a dangerous coal ash amendment.

Physicians for Social Responsibility delivered to the Obama Administration today a petition signed by 840 medical doctors, health scientists, nurses, and other health professionals outlining the harm that exposure to toxic coal ash imposes on human health. Accompanying the letter are eight doctors from Florida, Iowa, Pennsylvania, North Carolina, Massachusetts, and Georgia who will meet with their elected officials in Congress.

Amidst growing tensions in Asia, India-Pakistan confrontation used to show dire consequences around the globe; more than a billion people would be at risk under "nuclear famine" scenario.

PSR is among the environmental and public health groups that filed a lawsuit this week to force the U.S. Environmental Protection Agency to complete its rulemaking process and finalize public health safeguards against toxic coal ash.

With more than 15 times the Solyndra loan guarantee on the line, U.S. taxpayers being kept in the dark about huge Vogtle risks; nine groups cite NRC law violation in going to court to block Vogtle licensing.

Physicians for Social Responsibility (PSR) joined environmental groups in announcing their intent to sue the U.S. Environmental Protection Agency (EPA) in federal court to force the release of long-awaited federal safeguards for toxic coal ash.

"The information being presented to students misleads them on very basic questions of health and safety. Fossil fuels like coal have very damaging effects on health, and schools should warn students about them, not ignore them," noted Barbara Gottlieb, Director of Environment and Health at Physicians for Social Responsibility.

Dr. Catherine Thomasson, an Oregon physician and leading advocate on health-related impacts on nuclear weapons and climate change, became executive director of Physicians for Social Responsibility on January 1, 2012.