In a remote corner of North America, salmon and mining companies are vying for new territory.

Advocates in the United States believe the long-awaited farm bill could help fix that.

In cities like Tucson, Ariz., neighbours are planting trees to provide shade — and food.

A legal fight is ramping up over who should manage Alaska's dwindling salmon populations — and who gets access to them.

Our carnivorous cravings — particularly in industrialized, beef-guzzling countries — are one reason the planet is warming as fast as it is.

In cities across the U.S., hundreds of refrigerators stocked with free food are reducing waste — and methane emissions.

Palm and soy are taking over the world's cropland. Enter Zero Acre Farms.

The soil soot is a small-scale solution that climate advocates — and corporations — want more of.

A new study shows that cutting down trees for paper, furniture and fuel emits three times more carbon than flying.

Increasingly severe heat waves will imperil the country's development goals and slow economic growth, new research shows.