Composting doesn't have to be a fancy, complicated science experiment. Imagine transforming your leftover coffee grounds, vegetable peels, and even yard trimmings into rich, black gold for your garden ...

A woman in a red plaid shirt is turning compost ingredients with a pitchfork in a wood-sided compost bin - Irina Nazarova/Getty Images As helpful as those bags of rich, earthy compost are in the ...