Healthy Soils Tie Up CO2

We often only consider soil health when we talk about growing food, but some scientists believe that healthy soils are also required to tie up CO2, which has been implicated in our warming climate.  The article, "Soil and Human Security in the 21st Century," in the May 2015 issue of Science Magazine, makes the case that soil is one of Earth's most valuable commodities, and that we must develop strategies to protect this resource.