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Astronomical light pollution started as street and road lighting became widespread from the early 20th century. It was bad enough by the 1980's for the dark sky movement to gather momentum. Local light pollution, for instance from obtrusive security lights, is a more recent problem, perhaps from about the 1970's.
What else can I help you with?
Was light pollution a problem in the fifty's?
Yes, ever since the early 20th Century 'light pollution' has become a problem without people even being aware of it.
When did water pollution become a problem?
it became a problem when people forgot about bins
When did water pollution become a problem for Staten Island?
yes please
Is pollution a problem for penguins?
Pollution is a problem for everyone living on Earth!
Is pollution an urgent problem in Asia?
yes, pollution is a huge problem in countries like china and India and overall, pollution is a huge problem for the earth and its inhabitants.
Who is pollution a problem for?
It is a problem to everyone.
What are the uses of air pollution?
Air pollution is not useful. It is a problem.
Is light pollution a crime in the UK?
Light pollution is not a crime yet, but buildings should atempt to reduce it. Light pollution is still a crime against the environment.
How does light pollution harm astronauts?
Light pollution does not affect astronauts, it affects astronomers.
What are the major problem of pollution in Tonga?
-Pollution from waste. -water pollution. -Air pollution. -The destruction of sea environmental.
Why is air pollution a problem?
VOCs (Volitle Organic Compounds) pollution divided into air pollution, water pollution, sound pollution...with refer to all those pollutions,they all can threat all life form. for example, if water is polluted, the fish inside the water will drink the dirty water maybe containing mercury or what, after that fish caught to become our meal, we will die cox of eating fish pollluted with mercury,
What is one example of a pollution problem?
breathing problem
