- Plant a Tree
- Use alternatives to chemical pesticides
- Start Composting
- Lower the temperature of your hot water heater to 120 degrees Farenheit
- Stamp Out Styrofoam , don’t use it
- Buy dolphin safe tuna
- Avoid tropical hardwoods
- Adjust toilet to reduce water use
- Insulate homes properly to minimize energy waste
- Support environmental organizations
info from http://everything2.com/title/50+Simple+Things+You+Can+Do+to+Save+the+Earth