REASON
PURPOSE
Use public transportation instead of driving your car.
Although / Even though environmental problems are overwhelming, there is hope.
Climates are changing because of / as a result of / due to global warming.
Carbon dioxide levels are increasing because we are burning oil, coil, and gas.
CONTRAST
Recycle garbage so (that) it doesn't end up in a landfill.
Some people water their lawns daily in spite of / despite drought warnings.
Turn down the air-conditioning (in order) to save electricity.
Take showers instead of baths.
ALTERNATIVE
