Resources
Air pollution in petroleum industry
6th Grade-Ch 1 Sec 4 Air Quality
"Bucharest air quality management system build entirely with FLOSS software" by Vasile Craciunescu @ eLiberatica 2009
Air Pollution
Greenpeace
051369
Thomas Valone - Electrogravitics II. - Validating Reports on a New Propulsion Methodology, 158p
Man’s impact on the environment
Presentacion polonia
Natural resources
