Environmental Impact
作者：Matthew Artz
1. Household Products
2. Transportation
3. Advocacy
4. Waste
4.1. Composting
4.2. Reduce
4.3. Re-use
4.4. Recycle
5. Yard & Garden
6. Food
6.1. Food Preservation
6.2. Local
6.2.1. Farmer's Markets
6.2.2. Local Producers