Peter Whoriskey
Peter Whoriskey
Reporter

Peter Whoriskey is a staff writer for The Washington Post handling investigations of financial and economic topics. Previously, he has written about pharmaceutical research, income disparity,  unemployment, and the recession. As the Post’s Southern bureau chief, he covered Hurricane Katrina. Before that he worked at the Palm Beach Post and the Miami Herald.

Latest by Peter Whoriskey

Tesla aims to sustain purity of car batteries, but can any company be sure?

Tesla aims to sustain purity of car batteries, but can any company be sure?

A Post investigation showed that large consumer companies may not know where the raw materials come from.

Tech giants pledge to keep children out of cobalt mines that supply smartphone and electric-car batteries

Children are mining the mineral that may be in your smartphone, computer or electric car. Now tech giants say they want to do something about it.

Indigenous people are left poor as tech world takes lithium from under their feet

Hunt for mineral known as ‘white gold’ intensifies in the Andes, but those who live on the land say they are being tossed aside.

If you thought you were paying fair prices for chicken at the supermarket, think again

An internal document obtained by The Washington Post shows U.S. chicken prices may have been artificially inflated for years, costing consumers billions of dollars.