Migratory birds use the stars like street signs to find their way. Bright lights sometimes confuse birds in flight. The birds veer off course.

Something that is helpful

They need to crawl to the water. Light coming from the land leads them the wrong way. As a result, the turtles wander into street and parking lots and get lost.

It is caused by excess light that is beamed into the sky. It reflects onto low clouds, causing a sky glow that blots out the stars.

He says that lights should point at the ground, not at the sky.

It is flooded with light.

We learn about our place in the universe.

It is to convince you of something. The author states an argument and supports it with evidence, such as facts and examples.

The more electricity people use, the more power plants have to produce. That means more air pollution.

Turtles do not feel safe on brightly lighted beaches. They won't come to shore to lay their eggs. This affects their reproduction process.

The astronomers. They began to realize it in the 1970s.

Was that harms nature.

To move from one place to another