International

"The top predator prowling the seas during the age of the dinosaurs 100 million years ago may have been the octopus."

"More than 50 countries will gather in Colombia to try to develop real-world timetables to phase out oil and gas amid global energy shocks and petrostate stalling."

"A new study finds that the vast majority of climate-related claims made by the meat and dairy industry don’t hold up to scholarly scrutiny."

"Extreme heat is threatening the world’s food systems, with farmers unable to work outside, livestock experiencing stress and crop yields falling, putting the livelihoods of more than a billion people in peril, the UN has warned."

"It could worsen heat and humidity in the West this summer, and also boost the risks of Pacific hurricanes as well as wildfires in the region."

"Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes."