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We live in a swiftly changing world. Industrial and water-engineering projects, cutting of forests, plowing up of virgin lands, the use of poisonous chemicals — all such activity is changing the face of the earth, our "habitat."
Scientific study of all the interrelationships in nature and the consequences of our interference clearly lags behind the changes. Large amounts of harmful wastes of industry and transport are being dumped into the air and water, including cancer-inducing substances. Will the safe limit be passed everywhere, as has already happened in a number of places? (en) |
