Steroids may persist longer in the environment than expected

Assessing the risk posed to aquatic organisms by the discharge of certain steroids and pharmaceutical products into waterways is often based on a belief that as the compounds degrade, the ecological risks naturally decline.

To feed the world, first light its chicken coops

Sometimes a tiny innovation can crack the world's toughest problems. Take, for example, a small solar-powered LED light placed in a chicken coop in a developing country.

New model helps universities map their nitrogen footprint

The first institution-level model to estimate the amount of reactive nitrogen released into the environment—a contributor to smog, acid rain, and climate change—is enabling the University of Virginia to quantify its nitrogen ...

The balancing act of producing more food sustainably

A policy known as sustainable intensification could help meet the challenges of increasing demands for food from a growing global population, argues a team of scientists in an article in the journal Science.

Researchers focus on dairy's carbon footprint

Researchers at the University of Arkansas are attempting to help the U.S. dairy industry decrease its carbon footprint as concentrations of carbon dioxide in the Earth's atmosphere reach record levels.

Europe needs genetically engineered crops, scientists say

The European Union cannot meet its goals in agricultural policy without embracing genetically engineered crops (GMOs). That's the conclusion of scientists who write in Trends in Plant Science, a Cell Press publication, based ...

Is pet ownership sustainable?

There has been much talk about sustainability, but little attention has been paid to its nutritional aspects. University of Illinois animal sciences researcher Kelly Swanson, in cooperation with scientists at natural pet ...

Sustainable farming part of larger ecological picture

(Phys.org)—A larger-scale approach to sustainable farming could be more beneficial for wildlife than our current system of farm-based payments, according to University of Leeds researchers.

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