Forecasters warned of ‘potentially historic rainfall’ and ‘dangerous to locally catastrophic flooding.’ A hurricane scientist explains what El Niño, a heat dome and mountains have to do with the risk.

Forecasters are warning of a destructive storm for Mexico and the US Southwest – with El Niño, a heat dome and the mountains all playing a role.

Forecasters are warning of a destructive storm for Mexico and the US Southwest – with El Niño, a heat dome and the mountains all playing a role.

A new assessment of the population status of Europe’s birds reveals that the number of species that are of conservation concern is increasing.

The idea of giving aspects of nature legal rights is gaining traction – but the results are mixed.

Less concrete, more wetlands, fewer wet wipes.

Wildfires on Maui are a crippling blow to the island’s tourism industry, which generates half of its jobs. But New Orleans and Kauai show that comebacks are possible.

An expert on Puerto Rico’s recovery from Hurricane Maria explains why it’s hard for the US to deliver disaster aid in places like Hawaii and Puerto Rico.