Supreme Court weighs overturning a pillar of federal regulatory law. Inside Climate News US climate scientist’s defamation case over online attacks finally comes to trial. The Guardian American Petroleum Institute plans election-year blitz in the face of climate policy pressure. Inside Climate News Why record-breaking 2023 heat is worrisome to scientists. AP Drought touches a quarter of humanity, UN says, disrupting lives globally. New York Times A huge battery has replaced Hawai’i’s last coal plant. Grist