Clean Air Act (CAA) 1 : Federal regulations which detail acceptable levels of airborne pollution and spell out the role of state and local governments in maintaining clean air
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}