05/20/2008
https://www.presidency.ucsb.edu...
"Preserving our national parks is essential for future generations to enjoy."
"the water quality of the United States is good because we're strictly enforcing the law."
"Since I took office, air pollution is down by more than 10 percent."
"With the new regulations cutting diesel vehicle pollution by more than 90 percent, nearly every area in the two states... will be able to meet new strict health-based air quality standards."