Have a look at this WikiHow entry. A reminder for tricks and tips to avoid creating waste.

 » Landfills are expanding every day. Between 1960 and 1990, trash production has doubled, and since then remains at about 4.5 pounds per person per day[1][2]. Despite a growing push to recycle and reuse, we must try to correct not the symptoms but the disease, and to do that, we should all reduce. Consuming intelligently and putting pressure on companies to use biodegradable and recyclable material without over-wrapping their products is part of the solution. The other part is using less in the first place. Here are some things you can do right now. » WikiHow