EPA
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Mercury Rising: Why Emissions of This Deadly Neurotoxin May Soon Increase
The EPA is proposing changes to the Mercury and Air Toxic Standards (MATS), which would weaken mercury emissions limits from U.S. fossil fuel power plants by 70 percent.
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Regulating Air Toxics from Petrochemical Plants
We need to end performative and ideological regulatory debates and strive for effective regulation that protects the public while encouraging innovation.
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People Like to Breathe: The Importance of EPA’s New Air Particulate Proposal
In the United States, we need strong pollution control standards that are enforced carefully, precisely, and with a deep understanding of the pace of operational change that is feasible for a particular business or locality.
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Michael Regan and the Reconstruction of the U.S. EPA
The next four years should undo the damage of the past four years and put America back on the path of effective environmental policy.
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The Biden Environment Team and a Government-Wide Approach to Sustainability
We need to ensure that during these next few years we rebuild the American consensus behind environmental protection.
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Rebuilding America’s Environmental Agencies and Environmental Consensus
If we can wed the genius of free enterprise to the goal of a less polluted planet, we might find a pathway back to an American environmental consensus.
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EPA’s COVID-19 Policy Will Further Restrict Public Access to Climate Data
While hiding inconvenient facts may not be the intention behind EPA’s COVID-19 policy, it could very well be its effect.
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No ‘Space’ for Earth in Newly Released Presidential Budget
While the proposal boosts NASA’s budget to explore other worlds, what about the one we’ve already got?
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Anti-Government Ideology and the Federal Government Shutdown
Building infrastructure, providing emergency services, maintaining social safety nets, and ensuring public safety require an open and capable government.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
