Worked for 17 years at Reuters as an investigative journalist who reported on the health and environmental impacts of the agrochemical industry.
Writes occasionally for the the Guardian news outlet.
In 2015 she left Reuters to become research director for the investigative nonprofit group U.S. Right To Know whose mission is to provide the public with information about often-hidden practices and policies that shape the food system.
In 2017 she testified before the European Parliament in Brussels, Belgium about her findings about the environmental impacts of the pesticide-dependent food system.
In 2019 was an invited speaker at the World Forum for Democracy in Strasbourg, France.