Climate

Why are trees moving west?
Ecologists report that more and more trees are popping up west of where they'd typically grow. The study's authors hypothesize it has to do with moisture, not temperature.
Too hot to handle: Study shows Earth's killer heat worsens
Deadly heat waves are bigger killers than previously thought and are going to grow more frequent, according to a new study of fatal heat conditions. Still, those stretches may be less lethal in the future, as people become accustomed to them.