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, 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.