Natural Resources

10 spectacular, record-setting waterfalls

Snail hunts faster fish by drugging them with insulin

Salmon semen found to be miracle substance for extracting rare earth elements from waste

Could carbon farming save our soils?

'Salt' photos highlight the beauty of mineral minimalism

New regulations force big food wasters to reuse, donate

What do you know about dinosaurs?

Obama proposes Earth's largest marine sanctuary

California's thirst lifts mountains, triggers earthquakes along San Andreas Fault

New nature preserve will be the largest on Earth

Richard Proenneke: The man who showed us how to be alone in the wilderness

Portland flushes 38 million gallons of water after teen tinkles in reservoir