Buy hemp clothing or unbleached cotton Normal cotton is a very pesticide-intensive crop. Hemp is generally grown without pesticides. Bleaching fabrics is a very polluting process. Don't buy shells, coral, or other marine animal products By buying these things, you encourage people to go out and get more. Cut down on consumption generally Everything you buy is shipped around the world by airplane, boat, or truck.
Manufacturing processes use up raw materials and create pollution.
Think about this every time you want to buy something, and ask yourself how badly you need it. Petroleum is shipped around the world in boats. Every once in a while, these boats crash, and spill tons of oil into the sea. If you used less, they'd ship less. Hong Kong Dolphinwatch Ltd.