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Peter Dykstra: Who’s the most influential Republican Senator on climate?

You’ve got three guesses. And your first two are probably wrong.

What is environmental health?

Examining a massive influence on our health: the environment.

Op-ed: Are we getting dumber?

Endocrine-disrupting chemicals are an assault on children’s developing brains.

Op-ed: Reflections on the Supreme Court’s Decision in West Virginia v. EPA

Danger resides in the majority’s having invoked a sweeping “Major Questions Doctrine” to justify its decision in this relatively narrow case.

Peter Dykstra: The greatest retired US government hero

For almost 42 years, he’s never exactly retired.