Este power point fala sobre a poluição do ar, Causas e consequências, soluções e tipos de Poluição . Também refere uma noticia e um grafico para mostrar como a poluição do ar esta a subir a cada dia que passa.

1. Air pollution

2. What is ?
 It is a type of pollution that occurs with the introduction of any substance
which, due to its concentration, may become harmful to health and the
environment.

3. Causes
Consequences
 Residential and industrial smoke
 Automobile circulation
 Incineration of waste in the open
 Formation of acid rain
 Degradation of monuments
 Damage to vegetation
 Human diseases
 Worsening greenhouse effect
 Destruction of the ozone layer

6. Ways to avoid pollution
 Use less polluting transport
 Using public transport
 Recycle waste
 Reusing resources
 Plant trees
 Use filters on chimneys

7. Air pollution Types
 Primary pollutants: those released directly into the
atmosphere from anthropogenic and natural sources.
 Secondary pollutants: those that are products of chemical
or photochemical reactions which occur in the atmosphere
surrounding the primary pollutants.