![]() ![]() One sign of this progress is that visible air pollution is less frequent and widespread than it was in the 1970s. Great progress has been made in achieving national air quality standards, which EPA originally established in 1971 and updates periodically based on the latest science. Air Pollution Challenges: Common Pollutants For more information on indoor air pollution, which is not regulated under the Clean Air Act, see EPA’s indoor air web site. Indoor air pollution, which arises from a variety of causes, also can cause health problems. Protecting the stratospheric ozone layer against degradation.Reducing risks from toxic air pollutants.Meeting health-based standards for common air pollutants.Outdoor air pollution challenges facing the United States today include: Learn about more about air pollution, air pollution programs, and what you can do. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |