The water helps encourage the waste to rot and turn into compost.

The base of each piece is pushed into moist compost.

They feed on the waste, breaking it down into hot compost.

We keep a bin full of worms that turn our organic waste into compost.

The city also agreed to build five plants by 1998 to process the cake into fertilizer and compost.

The safe reduction of human waste into compost is possible.

What's really needed: a computer that can be turned into compost to help the tomatoes grow.

Last year, a quarter of a million trees were collected and turned into compost for city parks.

For example, scientific research into compost is encouraged in order to encourage innovation.

Garden waste can be turned into good compost in less than a year if the pile is properly managed.