Peter
Schwartzstein

BBC 

Feb 26, 2021

The return of a once-dying lake

Lake Urmia in Iran was once the world's second largest salt lake, but in a matter of years it shrank to almost nothing. Now, the lake is slowly coming back to life.

BBC 

Oct 10, 2017

Death of the Nile

The world’s longest river is sick - and getting sicker.

Booming populations have dirtied and drained it, while climate change threatens to cut its flow. And some fear that competition…