For example, a car sharing member can save up to 290 kg of CO2 per year due to a more common use of public transportation in comparison to a private car owner. (treehugger.com)
If you plan on using public transportation, see what options are available. (zillow.com)
They're an easier (and cheaper) alternative to a car, and they can alleviate stress on public transportation systems. (policygenius.com)