The Revised Universal Soil Loss Equation (RUSLE) was applied to the whole alpine area. The model calculates annual soil loss (t ha-1 yr-1) based on Rainfall Erosivity Factor (MJ mm ha-1 h-1 yr, Soil Erodibility Factor (t ha h ha-1 MJ-1 mm-1, Slope length Factor (dimensionless), Slope Factor (dimensionless), Cover Management Factor (dimensionless), Human Practices aimed at erosion control. The output grid cell is 100
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Around 10 million pairs of usable spectacles are discarded each year in Europe and North America. These can be used to help people in the developing world to afford glasses. Most opticians now act as collection points for old glasses, so drop yours off and give them a new lease on life.
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