Does your compost pile need a boost? Help it break down faster with one of these 5 free, DIY compost activators.

Turn your "non-compostable" garbage—meat, dairy, bones, bread, oils (and yes, even human waste!)—into black gold for your garden using the tips in

Make your own liquid fertilizer using this super-simple, no-waste method!

On a home scale, safe use of humanure is a great way to sustainably maintain soil fertility. But what about using sewage sludge on farms to grow food?