Can we make 2013 the year for effective climate action -- and for starters, can we stop the Keystone Pipeline? Read more »

In their article, “Perceptions of Climate Change: The New Climate Dice,” Hansen and his coauthors ask an important question: If we want to identify changes in the world’s climate, what do we compare current temperatures against? Read more »

These days, global warming makes spring come earlier and fall later and the period in between to be hotter; summer-like conditions are protracted. For this reason, in his recent article, “Perceptions of Climate Change: The New Climate Dice,” global warming expert James Hansen focuses on changes in summer temperatures. Read more »

National Aeronautics and Space Administration’s James Hansen is one of the world’s leading experts on climate change. In 1988 he spoke before Congress and, as one of the first scientists ever to do so, brought the issue of climate change to the attention of a broad audience. Read more »

PSR salutes Sierra Club's $50 million grant for expanding its Beyond Coal campaign and shutting down more dirty, polluting coal-fired power plants Read more »

Nearly half of Americans live an area which is heavily polluted, the American Lung Association stated in their annual State of the Air Report released last week. What does this mean? The roughly 157 million people living in these areas are placed at a high risk for asthma, respiratory disease and premature death. Most cities have shown improvement from last year’s report, but how much of an improvement is it if nearly half of us are living in air that is harming our health? Read more »

A recent report estimates that coal’s impacts – including its effects on health and the damage in inflicts on the environment -- cost the U.S. about $345 billion annually. According to the report, a full rendering of coal’s costs would double to triple the price of coal-generated electricity. Read more »

PSR continues the close collaboration with Sierra Club on issues of coal and energy and welcomes the Club's new executive director. Read more »

Last Friday I again testified before the EPA on the health impacts of air quality. This time the subject was particulate matter. Once again, I was encouraging the EPA to follow through on a positive step it has proposed. Read more »

The battle unfolds on Capitol Hill, where a phalanx of politicians is seeking to prevent the Environmental Protection Agency from regulating greenhouse gases. Read more »

PSR testified before the EPA on ground-level ozone, or smog, supporting new rules for more stringent ozone standards -- and urging the EPA to get more stringent yet. Read more »
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The recent snowstorms that pummeled the Mid-Atlantic are, in fact, evidence of global warming. Read more »
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Coal ash, loaded with arsenic, lead, selenium, mercury, and other toxics, is one of the biggest toxics streams in the U.S. – yet is not regulated by the federal government. It is a grave threat to health. Read more »

Mountaintop removal (MTR) coal mining uses high-powered explosives to blow the tops off of mountains. The debris is then bulldozered into adjacent valleys and streams. The health hazards and environmental destruction this creates is so great, scientists have called for a moratorium on MTR permits. Read more »
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The Environmental Protection Agency has proposed rules to strengthen the National Ambient Air Quality Standards for two primary pollutants under the Clean Air Act: sulfur dioxide and ozone pollution (smog). Read more »
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Fall is upon us, Code Black Alert! is back on the job, and coal and climate issues are hot. Here's a summary of recent and breaking news: Read more »
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Testifying before the Environmental Protection Agency, PSR executive director Dr. Peter Wilk called global warming one of the “gravest threats to health and survival” facing the world. Read more »

Many of you have been fighting to prevent the construction of dirty new coal plants. Now we have a chance to fight against coal pollution on a massive scale, not just one plant at a time. Read more »

PSR recently joined environmental and Native American groups in raising a legal challenge to a proposed coal-fired power plant slated for construction on a Navajo reservation in northwest New Mexico. Read more »

Iowa PSR, in partnership with sister organizations and the help of dedicated activists across the state, has prevented the construction of a potentially very dirty, unhealthy, 650-MW coal-fired power plant in the town of Marshalltown. Read more »