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Why do people and animals need the night sky?
Because we need to study the sky to learn about our place in the universe.
Meanwhile, animals need night sky to find their way and to feel safe.
When the astronomers looked at the sky in the 1970s, did they see the stars and planets that they had studied? Why?
No, they didn't. Because the city lights made the stars and planets impossible to see.
Which paragraph has this main idea "The night sky is much brighter than it used to be."
History of the Problem
What is the main cause of light pollution?
bad light fixtures
How do the power plants harm the environment?
The power plants, which produce the wasted light, burn coal and release sulfur dioxide and carbon dioxide that cause acid rain and global warming.
What does "migrate" mean?
to move from one place to another
Michael Mesure and his group want to keep birds safe. Choose 2 sentences that explain why.
Hundreds of bird species in North America die from light pollution. Some of these species are endangered, as Michael Mesure explains.
Why did a flock of 50,000 birds die in 1954?
Because they followed the spotlights at a U.S Air Force base in Georgia and flew straight into the ground.
What do female turtles need when they are ready to lay their eggs?
a dark beach
Why do baby turtles get lost?
Because light from the land makes them go the wrong way.
Toronto is trying to turn on more lights during bird migration season. True or False?
False. They are trying to reduce city lights during bird migration season.
According to Michael, how can everyone help fix the problem of light pollution?
Everyone can turn lights off.
