Land-based climate plans 'unrealistic': report

The world needs to set aside an area bigger than the United States for tree planting and other measures to meet climate pledges, according to research published Tuesday that warned against "unrealistic" carbon-cutting plans.

How farmers could fertilize more efficiently

Nitrous oxide is a powerful greenhouse gas. Its global warming potential can be up to 300 times that of CO2 over a 100-year period. Globally, more than half of man-made nitrogen oxide emissions come from agriculture. A reduction ...

page 11 from 40