EPA: Proposed Pebble Mine could destroy Alaskan salmon fishery
July 18, 2014, 3:48 p.m. by John Platt
The mining project, one of the largest ever conceived, could hold $500 billion in gold and copper.
How your old cellphone could help stop illegal logging and poaching
July 2, 2014, 5:53 p.m. by John Platt
Repurposed Android phones will be deployed to protect rain forests.
Could a medicine used to treat gout also save our citrus?
June 9, 2014, 4:13 p.m. by John Platt
New research could stop the spread of citrus greening, a disease that is killing Florida's oranges.
How the Navajo code talkers helped win World War II
June 7, 2014, 10:02 a.m. by John Platt
They created an unbreakable code with their greatest asset — their own language.