American trees are in trouble. Based on recent estimates, up to one in every six native species in the continental US is in danger of going extinct, due to mounting threats such as invasive species, ...

What you flush down your toilet today could help fertilize poplars or grass in four to five years. The Metropolitan Wastewater Management Commission uses biosolids as a supercharged fertilizer for the ...

The Eiffinger's tree frog found in Japan has a unique biological adaptation: its tadpoles do not defecate during their early developmental stages to reduce the risk of contaminating their small ...