The document discusses recycling and its benefits. It defines recycling as converting recyclable materials into new objects to reduce waste pollution. It then lists examples of common recyclable items like paper, plastic, glass, and metal. It provides details on the decomposition times of these materials, which range from 2 weeks for paper to over 500 years for plastic. The Clean Air Act of 1999 in the Philippines is also summarized, noting it requires compliance of all air pollution sources with emissions standards. Methods citizens can take to reduce air pollution from vehicles, public transit, and daily activities are outlined.