Ken Kimmell

Former president

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Ken Kimmell was president of the Union of Concerned Scientists until December 2020. He is a national advocate for clean energy and transportation policies and was a driving force behind UCS’s “Power Ahead” campaign to build a large and diverse group of clean energy leadership states. Prior to joining UCS in May 2014, Mr. Kimmell was the Commissioner of the Massachusetts Department of Environmental Protection (MassDEP), and served as chairman of the board of the Regional Greenhouse Gas Initiative.

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Ken's Latest Posts

The US Senate Faces a Moral Imperative

Senators, now is the time to show your moral courage. Read more >

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Why UCS Is Suing Trump Over Car Standards

On September 27, the Trump administration issued a new rule that purports to take away the right of California and thirteen other states to cut carbon dioxide emissions from cars and light duty trucks and require increasing percentages of new car sales to be electric vehicles or other zero emitting technology.

Today, the Union of Concerned Scientists filed suit against the Trump administration for this action. UCS does not typically file lawsuits that focus on the legal authority of states and the federal government. But this suit is about much more than that. Read more >

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Climate Change Lawsuits Against Fossil Fuel Companies Are Heating Up

Until recently, the litigation has been mired in procedural matters—but we’re beginning to see significant progress. Read more >

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Bringing Science Back to the EPA — Whether EPA Wants it or Not.

The current administration’s attacks on both scientists and science are unprecedented, reaching a new low a few weeks ago when the White House Chief of Staff and the Secretary of Commerce attempted to stifle NOAA employees from giving the public accurate information about the path of Hurricane Dorian. Scientists within the federal government and across the country have struggled to find ways to make sure that their vital work continues in the face of such attacks.

Read more >

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John Brighenti/Flickr

Bipartisan Support for Scientific Integrity Reform is Growing

“We are at a crisis point,” according to a new report from the highly respected Brennan Center for Justice, “with almost weekly violations of previously respected safeguards.” The crisis in question involves threats to scientific integrity in government, and the report could not be more timely. Indeed, just a few weeks ago, we learned the White House ordered scientists at the National Oceanic and Atmospheric Administration to refrain from giving the public accurate information about the path of Hurricane Dorian because that information conflicted with President Trump’s mistaken tweet. Read more >

Photo: John Brighenti/Flickr
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