Proposed changes to PFAS regulations by a former chemical industry lawyer at the EPA threaten to shift cleanup costs from polluters, while US tariffs on Indian goods are undermining India's nascent solar industry, and warming Mediterranean waters are causing the arrival of stinging sea slugs on Spanish coasts, signaling broader climate impacts.

• ‘We Are All Shocked’: Warming Waters Bring a Stinging Sea Slug to Spain’s Coasts — The New York Times Science -
• Steven Cook, a Former Chemical Industry Lawyer, Now at E.P.A., Wants to Change PFAS Rules — The New York Times Science -
• A Casualty of Trump’s Tariffs: India’s Nascent Solar Industry — The New York Times Science -

The firing of CDC Director Susan Monarez due to vaccine policy disputes highlights political tensions in public health, concurrently with Medicare's new requirement for prior approval for certain procedures raising concerns about healthcare access and delays.

• Medicare Will Require Prior Approval for Certain Procedures — The New York Times Science -
• CDC Director Susan Monarez Is Fired, White House Says — The New York Times Science -

The passing of A.K. Best at 92, a master of fly tying, is noted for his meticulous, lifelike designs that profoundly influenced modern fly fishing.

• A.K. Best, Master of the Art of Fly Tying, Is Dead at 92 — The New York Times Science -