Drink Coffee, use a mug.

If you buy your daily cup of coffee in a disposable container, you are generating about 22.75 pounds of waste per year. Across the country, 25 billion polystyrene (commonly known as Styrofoam) cups are thrown away every year, according to the EPA. read more
source: the daily green

Warning, be Toxic aware!

1. Choose water based latex paints over solvent based paints when painting your home. Never use lead based paints.
2. Avoid the use of aerosols.
3. If you have a furnace, fireplace or gas heater, have them serviced regularly to prevent deadly fumes and install a carbon monoxide detector.