RA 9275 (Butch et al.)

4:08
RA 6969 (Deguilmo et al.)

25:39
Wastewater Treatment Plant Tour

2:01:17
Basics of the Clean Water Act (ELI Summer School, 2024)

14:13
How Wells & Aquifers Actually Work

2:37:05
Wastewater Training, 1 of 3

14:11
Inside Africa's Food Forest Mega-Project

45:40
INSIDE NORTH KOREA IN 2025 (intense)

2:28:58