Tree cover globally cools nearly half of the warming from built-up cities, but it’s doing it more in richer, cooler areas and less in hotter poorer areas where it’s needed most.

Beneath a blooming rose tree in Istanbul, Serpil Buyukyildiz carefully tucked a small piece of paper among the thorns, listing her wishes for the coming year.

A trip to Caddo Lake demonstrates why disturbing the peace is a criminal offense. As I watched the sun set from a tour ...