Instead of buying something you're not going to use very often, see if you can borrow it from someone you know.
Cars use up energy and cause pollution. Some ways to reduce the environmental damage caused by cars include carpooling with friends, walking, taking the bus, or riding your bike instead of driving.
Start a compost bin. Some people set aside a place in their yard where they can dispose of certain food and plant materials. Overtime, the materials will break down through a natural process called decomposition. The compost is good for the soil in your yard and means that less garbage will go to the landfill.