Possible school experiment to show importance of wetlands/riparian zones! This shows the importance of plants in our soil. Plants like trees and grasses help purify ground water. Without them the ground water gets polluted and harder to clean and drink.
Professional: Infographic posted by MNN - Mother Nature Network showing the deafening facts regarding global agricultural water usage and how it measures up across the globe.
Pack of 25 Unused Soil and Water Conservation Postage Stamps - 20c - Vintage 1984 - Unused - Quantity of 25 by GubbaGummaStamps on Etsy https://www.etsy.com/listing/398855485/pack-of-25-unused-soil-and-water
Home Turf - A Virginia Healthy Lawns Program | Northern Virginia Soil and Water Conservation District
While we have produced food crops through conventional tillage for many years, this has come at great cost to our environment and soil productivity with negative impact on our households' food security.