Select the text that has a more objective tone.
Over the last three decades there has been increasing global concern over the public health impacts attributed to environmental pollution, in particular, the global burden of disease. The World Health Organization (WHO) estimates that about a quarter of the diseases facing mankind today occur due to prolonged exposure to environmental pollution.
The most alarming of all man’s assaults upon the environment is the contamination of air, earth, rivers, and sea with dangerous and even lethal materials. This pollution is for the most irrecoverable; the chain of evil it initiates not only in the world that must support life but in living tissues is for the most part irreversible.
From Rachel Carson, ‘Silent Spring’, copyright 2002 by Mariner Books and from ‘Environmental Pollution and Impacts on Public Health’, copyright 2015 by United Nations Environment Programme
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