How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
Fish: Freshwater
Picture Collections
4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!
Katharine Scotton
Career Profiles
Environmental Consultant
Katharine Scotton is an Environmental Consultant for PGL Environmental Consultants.