Environment & Economy By Sudibyo M. Wiradji 420 Views

Focus Issue: Hydropower plants protect environment, biodiversity

Trees and biodiversity matter: A forest ranger observes trees and biodiversity in the Leuser Ecosystem rainforest, located mostly within the province of Aceh on the northern tip of the island of Sumatra. (AFP)Wearing a face mask is how pedestrians in Jakarta — and perhaps also in other highly polluted cities in the world — commonly protect themselves against the harmful gases that cause air pollution such as carbon monoxide, carbon dioxide, nitrogen dioxide and nitrogen oxide, most of which are produced by vehicles.These gases are an invisible threat to human life, but studies have shown that air pollution also has adverse effects on plants and animals.The harmful particles emitted from power plants, cars and mining sites are easily carried hundreds of kilometers away from their original source to pollute pristine natural areas, writes Sara Slavikova, a cofounder of greentumble.com


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