For years, gardeners and farmers have relied on one of the world's most abundant resources to make fertilizer: animal poop. Animal manure is generally free and easy to obtain, either from your own ...

What happens to all the animal waste at the Pennsylvania Farm Show? Organizers say it is recycled into energy and fertilizer.

Fertilizer can be made from nearly any natural waste: fallen leaves, kitchen scraps, weeds, coffee grounds, crops… and even zoo animal manure. The Woodland Park Zoo in Seattle is really leaning into ...

Animal manure is not just a waste problem anymore. A new scientific review shows that when livestock manure is turned into biochar through controlled heating, it can become a powerful, low cost ...

For years, Paul Danbom let good fertilizer go to waste. On his 900-head dairy farm in Turlock, California, he was buying fertilizer for his distant cornfields. Meanwhile, he was paying to dispose of ...