Facts

 The Ancient Romans did care for their environment but they couldn't protect it. In Rome the problem went like this, the Roman leaders took all of the resources that the Plebeians (Peasants) were getting for all people. They farmers didn't have enough food to feed their families so they eventually die off. now no one is growing food so everybody dies of starvation.

Now that you know the problem here are some ways the US have thought of doing to stop that problem.
~they have made tens of hundreds of organizations to think of that problem by their-selves
~put tons of recycling plant throughout the US
~have recycling bins in every school
~recycling trucks go through every Thursday

~have been making ecosystem friendly cars and products like cups

~try to make kids like the ecosystem