China is a ` ` poster boy '' for environmental degradation . Lessons . President Obama recently took a swipe at China 's bad air . Los Angeles ' battle with air pollution may hold lessons for China , the city 's mayor . Garcetti believes China can tackle pollution without sacrificing growth .
China is a ` ` poster boy '' for environmental degradation . President Obama recently took a swipe at China 's bad air . Los Angeles ' battle with air pollution may hold lessons for China , the city 's mayor . Garcetti believes China can tackle pollution without sacrificing growth .