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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.
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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.
How does rocket launching cause pollution and How can this pollution become an international problem?
yes
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!
What types of pollution?
Air pollution Water pollution Light pollution
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.
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.
Sentence with pollution?
A sentence with the word pollution would be: Pollution is a problem that should not be ignored.
How does light pollution harm astronauts?
Light pollution does not affect astronauts, it affects astronomers.
What are the uses of air pollution?
Air pollution is not useful. It is a problem.
