People cause more soil erosion than all natural processes
...ses put together," he said. Because soil formation proceeds at about the same rate as natural erosion, Wilkinson's results mean that humans are stripping soil from the surface of the Earth far faster than nature can replace it. "This situation is particularly critical," Wilkinson said, "because the Earth's h......t of research programs at the center are sold with proceeds used to support continuing pasture-based equine nutrition research. The highest prices were for three yearlings that will likely be used for racing, said Jim M. Bowen, interim director of the center. A yearling from the sire Secret Hello and dam Cup ...