"Ants can be more effective than pesticides at helping farmers produce food, according to new research. They are better at killing pests, reducing plant damage and increasing crop yields, according to the first systematic review of ants’ contributions to crop production."

"An ambitious restoration project in San Francisco’s South Bay is attempting to balance a return to the ecological past with the needs of species that have become reliant on the area’s artificial salt ponds."

"Two-thirds of pledges to go greener on plastic fail or are dropped, a DW investigation has found. Here's how European food and drink companies break their own commitments, and how legislation might hold them accountable."

"Cities in relatively prosperous countries are blighted by serious levels of air pollution from nitrogen dioxide, often without realising the extent of the problem, research has found."