List two effective measures to reduce the harm of sandstorm weather.

1) Diversion water to desert for sand fixation and skin grafting;

2) To speed up the planting of trees and grass on the edge of desertified plots and slow down the rate of desertification;

3) Go to the countryside to increase the population in desert areas and build human walls (going to the countryside changed agriculture in the past, so why not do it again, especially people living in Beijing should regard the desert as ten ring and build houses there, otherwise Beijingers will have the right to sandstorm).