But an increase of cloud, and
consequent diminution of sunshine, would produce just such a result; and
this increase is almost certain to have occurred owing to the enormously
increased amount of dust thrown into the atmosphere as our country has
become more densely populated, and especially owing to the vast increase
of our smoke-producing manufactories. It seems highly probable,
therefore, that to increase the wealth of our capitalist-manufacturers
we are allowing the climate of our whole country to be greatly
deteriorated in a way which diminishes both its productiveness and its
beauty, thus injuriously affecting the enjoyment and the health of the
whole population, since sunshine is itself an essential condition of
healthy life. When this fact is thoroughly realised we shall surely put
a stop to such a reckless and wholly unnecessary production of injurious
smoke and dust.
In conclusion, we find that the much-abused and all-pervading dust,
which, when too freely produced, deteriorates our climate and brings us
dirt, discomfort, and even disease, is, nevertheless, under natural
conditions, an essential portion of the economy of nature.
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