Reducing light pollution saves money and resources
The US alone wastes $3 billion annually on bad lighting. Groups like the International Dark Sky
Association have shown plenty of ways that people can use inexpensive modern lighting to not only
reduce the sky glow, but their electric bills as well.
http://www.darksky.org/
If current and future generations can't see the stars, they aren't going to care about them. We
certainly won't be any richer in that regard.