Answer to Question 1
The United States has placed an emphasis on scientific research, national legislation, and regulatory action to address climate change. In addition, individual states have gone over and above national standards to reduce emissions of greenhouse gases.
Answer to Question 2
As in the example of the Billion Tree Campaign, the most important principle for this new ethic of stewardship will be acting out of concern for other world citizens. When we consider not only our needs, but those of the others around us and those of future generations, we will make much more sustainable environmental decisions.
