US backs adding teeth to global shark protection

The United States said Friday it would support proposals to curb the trade of five shark species and manta rays, whose numbers are declining because of demand for fins and gills.

Drainage ditches can help clean up field runoff

Vegetated drainage ditches can help capture pesticide and nutrient loads in field runoff, U.S. Department of Agriculture (USDA) scientists report. These ditches—as common in the country as the fields they drain—give farmers ...

page 14 from 15