nitrogen pollution

Image of a stream on farm land in Iowa without conservation riparian buffers

Lynn Betts/USDA Natural Resources Conservation Service

November 19, 2025

From Fields to Faucets: Fertilizer Overuse Threatens Drinking Water and Health

Stacy Woods
Research Director

aerial photo of two tractors spraying fertilizer on a large brown field divided into many rows; the spray drifts off to the left from a breeze

Charles O'Rear/Flickr

November 19, 2025

Half Wasted: Fertilizer Overuse, Pollution, and the Global Nitrogen Cycle

Omanjana Goswami
Interdisciplinary Scientist

A scientist collects samples on board a research vessel as part of a research project to investigate falling oxygen levels in the Baltic Sea.

Morris MacMatzen/Getty Images

July 25, 2024

Scientists Keep Measuring the Dead Zone. Let’s Fix the Fertilizer that Feeds It

Karen Perry Stillerman
Deputy Director

close-up photo of a heavy stream of greenish brown wastewater pouring out of a pipe on a swine and poultry farm

Lance Cheung/USDA

January 22, 2024

An Opportunity to Reduce Water Pollution from Slaughterhouses

Stacy Woods
Research Director

farm runoff

Lynn Betts/USDA NRCS

December 12, 2023

Ask a Scientist: Fighting Big Ag Pollution with Maps and Math

Elliott Negin
Former Contributor

photo of a massive wall of orange dust clouds moving down an empty road lined with tall streetlights, heading straight toward the camera

Caleb Holder/Shutterstock

May 11, 2023

Illinois Dust Storm Disaster Is a Warning for Agriculture

Karen Perry Stillerman
Deputy Director

Billy Metcalf Photography/Flickr

June 29, 2020

Reviving the Gulf Dead Zone Is Worth it: Our New Report Shows the Benefits of Action

Rebecca Boehm
Former Contributor

Moraine Park Valley in Rocky Mountain National Park, Colorado.

Photo: Frank Schulenberg/CC BY-SA 4.0, Wikimedia

October 17, 2016

Partnerships to Protect Fragile Mountain Ecosystems

UCS Science Network