Massachusetts vs. EPA focuses on reduction of greenhouse gas emissions by new cars and trucks. But there are many strategies not touched upon in this case that will reduce vehicle emissions. Consider that in the next 30 years, 70 million new homes will be built in the United States alone.

Internet Assignment Find the Congress for the New Urbanism and PlaNYC. What reduction in greenhouse gas emissions takes place when people choose an urban, as opposed to an exurban, lifestyle?