Why Was President George W

Why was President George W. Bush's lack of support for Kyoto Protocol significant to climate change?

A) It resulted in regulations that were too burdensome for U.S. industry.
B) It meant the U.S. was not part of a treaty that limited the emissions of greenhouse gases by an average of 5.2% below 1990 levels.
C) It meant the U.S. was not part of a treaty that would have prevented natural disasters, such as earthquakes and tsunamis.
D) It resulted in the global acknowledgement of a changing environment.