from: https://answers.yahoo.com/question/index?qid=20111123203903AA4eLha
1. Less trash to landfill. More recycled items = savings to production costs of new items
such as aluminum, glass, cardboard.
2. Most insects have particular predators such as a specific animal or bird that eats them as a major or sole portion of their diet.
3. Do not plant 100% of the same plants and trees across the area.
Do not harvest all of a species during a normal growth cycle. If a tree takes 50 years to grow to harvest size, schedule cuttings to avoid extinction of that tree within the area.