ARTICLE · 28 JANUARY 1997
Air Pollution in Portugal
"The environmental pollution is caused by all substances or radiation which - once thrown into the air, into the water, into the soil or into the underground - change temporarily or definitely their quality or interfere with their normal conservation or evolution" (article 21 of Law no. 11/87).
INTRODUCTION
The Portuguese territory is not homogeneously affected by Air Pollution. In fact problems related with Air Pollution are located in the main urban areas and near the more important industrial units, such as Sines, Setubal, Barreiro-Seixal, Lisbon, Estarreja and Oporto. Since the development of Portuguese industry is considered to be very recent, the problem of Air Pollution has only recently been looked upon.
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