Students examine how to dispose of waste properly and discover how pollution affects plants and animals that live in streams. For this effects of waste lesson, students explore biodegradable detergents and the concept of dilution as the...

Equip young campers with important survival knowledge with a set of engaging lessons. Teammates work together to complete three outdoor activities, which include building a shelter, starting a campfire, and finding directions in the...

This site reviews the effects of agricultural development, urban and industrial development, drainage of the land surface, modifications to river valleys, and modifications to the atmosphere have on ground water and surface water.