Miss Carson and other scientists were very concerned about the harmful effects of DDT and other insect-killing chemicals called pesticides.

VOA: special.2010.03.14

Farm workers and others who said they often used pesticides had a forty-one percent greater risk of Parkinson's than other people.

VOA: special.2009.04.07

DDT and other pesticides had become popular with the public and the government because they were so effective.

VOA: special.2010.03.14

The Stockholm Convention governs some kinds of industrial chemicals and pesticides products meant to kill insects.

VOA: special.2009.06.23

All the people were asked about their use of pesticides, chemical fluids and metals like iron.

VOA: special.2009.04.07

Environmental activists criticized his intensive methods, including use of fertilizers and pesticides.

VOA: special.2009.11.10

Pesticides were sprayed almost everywhere including agricultural fields and communities.

VOA: special.2010.03.14

Throughout his life, Borlaug was a firm believer that the job of feeding the world could not be done without chemical fertilizers and pesticides.

VOA: standard.2009.09.16

(Saying) Some tea companies use pesticides to grow tea leaves, but Honest Tea uses tea leaves from China,India and South Africa that are grown without pesticides or fertilizers.

VOA: standard.2010.02.17

Fertilizers and pesticides are the largest contributors to water pollution.

VOA: standard.2010.06.04

"There is emerging evidence that a whole host of new environmental chemicals, many of them routinely found in pregnant women and children - such as Bisphenol A, flame retardants,pesticides, phthialates,and airborne pollutants."

VOA: standard.2010.08.09

But Sow says it's difficult to get adults to change, for example, to stop using pesticides on their tomatoes and other crops, which he says is a persistent problem in the village.

VOA: standard.2010.04.01

When rain and melting snows flow over a city's streets, parking lots and sidewalks, that runoff picks up all kinds of pollutants residues of petroleum and pesticides, soaps and solvents, as well as pet and wildlife waste.

VOA: standard.2010.08.04