One of the reasons why catalytic converters can be so expensive is the inclusion of rhodium, a precious metal used to reduce ...

Farmers around the world rely on nitrogen fertilizers to sustain crop production, but in many alkaline soils a large share of ...

Human activities add large quantities of nitrogen to the environment, much of which gets washed into streams and rivers.

Apache Nitrogen Products Inc. has agreed to pay $1.2 million to the EPA to settle claims for the cost of responding to water and soil pollution near Benson. Under a proposed consent agreement lodged ...

Young tropical forests can regrow twice as fast with enough nitrogen, dramatically increasing carbon capture, according to a ...

MACH Engineering reports factory air emissions harm health, environment, and businesses. Controlling emissions is vital for compliance and well-being.

The new rule does not estimate the economic value of health benefits from reducing NOx and other types of air pollution under ...

The Environmental Protection Agency says it will stop calculating the economic savings of health benefits from air pollution ...

The Environmental Protection Agency says it will stop calculating the economic savings of health benefits from air pollution ...

The agency did not assess the economic impacts of better health from reducing nitrogen oxide in setting the new standard, ...

Climate models may have overstated how much plant growth can offset rising CO₂. New findings show that limited nitrogen availability reduces this effect, challenging assumptions about nature’s ability ...

Long-term exposure to common air pollutants is associated with more advanced coronary artery disease—with notable differences between women and men—according to a large-scale study of more than 11,000 ...