Across the U.S., hundreds of sites on land or in lakes and rivers are heavily contaminated with hazardous waste produced by ...

Agricultural lime takes time to work, but it provides excellent returns by improving soil pH, nutrient availability and fertilizer efficiency.

For decades, scientists have relied on a chemical fingerprint inside water molecules to determine where plants get their moisture. The method shaped our understanding of drought resilience, ...

Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.

Scientists with the San Francisco Estuary Institute are deploying robotic stormwater samplers in creeks to track pollutants before they reach San Francisco Bay. The devices collect real-time samples ...