Be environmentalist?

What is environmentalist?..Environmentalist is a people who takes care and works to protect the environment in order prevent adverse effect to the environment...
There are few simple steps in order to become environmentalist..

1) reduce solid waste by recycling
2) use biodegradable plastic
3) use aerosol (environmental friendly ) products
4) use public transportation (reduce air pollution)
5) minimize the usage of energy especially electricity
6) minimize using air conditioner
7) dispose waste in proper ways

By participate a few steps as above, everyone can be environmentalist..