After Maria, a New Crisis in Puerto Rico: Mental Health

Months after Hurricane Maria devastated Puerto Rico, Caitlin Dickerson, a Times reporter, visits a suicide prevention center where calls are on the rise. Public health officials say there are signs of a severe mental health crisis on the island.

To Test for Climate Disasters: Build Stuff, Then Blow It Apart

A team of researchers is destroying things — with wind, water and fire — to help insurers manage the increasing risks of extreme weather.