PREVENTIVE MEASURES ALREADY ADOPTED BY MANY COUNTRIES.
To combat the old habit of the burning.
Purification of the mineral coal, before its use.
Use of petroleum of better quality, with less sulfur.
Use of chemical filters in the chimneys of the factories.
Rota of cars in the great cities, motivating the use of public transportations: bus, subway,...
Production of smaller cars, with
more efficient motors
and with catalysts that destroy the pollutant gases.