There's no denying that television is one of the most powerful propaganda media we've ever invented.
Imagination is a powerful force underlying all knowing
My father was a soil scientist with the Geological Survey.
The quicker we humans learn that saving open space and wildlife is critical to our welfare and quality of life, maybe we'll start thinking of doing something about it.
Preserving a river or a creek can bring a lot of revenue.
The most powerful argument of all for saving open space is economics; in most states, tourism is the number two industry.