International discussions reveal Europe's commitment to climate action despite President Trump's dismissal of green energy and climate science at the U.N., highlighting continued global efforts amidst political challenges.

• Despite Trump, the World Isn’t Slowing on Climate, E.U. Official Says — The New York Times Science -
• At U.N., Trump Says Green Energy Is a Scam and Attacks Climate Science — The New York Times Science -

Breakthroughs include philanthropic efforts securing reduced-price HIV prevention for low-income countries, while domestically, concerns rise over potential doubling of Obamacare bills next year due to expiring subsidies.

• Philanthropies Strike a Promising Deal to Turn Back H.I.V. — The New York Times Science -
• Why Obamacare Bills May Double Next Year — The New York Times Science -

NASA successfully launched IMAP and space weather missions on a SpaceX rocket, initiating new studies into space weather phenomena.

• NASA Launches IMAP and Space Weather Missions on SpaceX Rocket: How to Watch — The New York Times Science -

An alarming screwworm case was detected near the U.S.-Mexico border, marking the northernmost incidence of this flesh-eating parasite previously eradicated from the U.S.

• Screwworm Case Detected Less Than 70 Miles from U.S.-Mexico Border — The New York Times Science -