Eastern Hellbender
Bill Hopkins, professor in the Department of Fish and Wildlife Conservation in the College of Natural Resources and Environment at Virginia Tech, talks about the eastern hellbender and their ecological importance.
Water
What Sewage Treatment and Brewing Have in Common
The 100 Year Flood Is Not What You Think It Is (Maybe)
What Really Happened At Edenville and Sanford Dams?
Engineering Matters – How Sewers Work (feat. Fake Poop)
Sewers are an effective and efficient way to move poop and wastewater but can cause a lot of environmental issues.
Where Does Stormwater Go?
Wastewater Treatment Plant Tour – “Flush To Finish”
A very interesting video on how wastewater is turned into clean water at a typical sewage treatment plant ...
Most sewage treatment is biological (natural bacteria) encouraged by heat and stirring up of the sewage. Then there is screening. Chemicals are used very sparingly in sewage treatment, due to the the risk of chlorine disinfection byproducts, which cause cancer.