To keep the price of us automobiles competitive with others
The American colonies chose to declare independence from Great Britain for many reasons. They believed the British were treating the colonists unfairly. The British passed many tax laws that impacted the colonists. The colonists had no representatives in Parliament to vote on or discuss these laws.
That is a good question.The answer to that is limitless as well. We had one main goal though when we started our nation. That was to create a nation that was not like England. Recently there was the election for our president. We have our elections so that we the people have a vote in what is going on with our nation where as when there was a king we had no choice.
Probably because any activities related to environment protection require a change of mentality and habits and participation of everyone in order to be fruitful.