If you're looking for another way to make a positive impact on the planet, in addition to recycling, look no further than the wonderful world of composting. In basic terms, composting is the act of breaking down organic food and yard waste into a potent soil amendment called humus. But actually, composting is a bit more. It is about providing an environment where this process occurs quicker, usually in a compost bin or compost tumbler, and with the correct ratios of certain organic matter - you can't just go throwin' everything in and hope for the best.

Composting really is an art. Depending on your climate and time of year, your pile may need more or less of certain things to achieve the optimum carbon to nitrogen ratio for the organic matter to properly break down. Also, composting is not a free-for-all for your food scraps and waste. There are many things that are no-no's as far as the compost bin goes, including meat and bones, grease and oils, dairy products, fecal matter (that's right, no poo), diseased plants and weeds. Actually, it may be better to give a list of compostable items, so here goes: