Nineteen to the dozen

The entire ecosystem has a role. Right from the montane grasslands on top of the mountains (like Grasshills, Avalanche etc) to the streams, the rivers, the mud, the silt, the sand in the rivers and its natural flow to the sea. Everything is interconnected. A river might seem to be dry, but deep underneath, the sand will help water to percolate and still flow through. Remove the sand, you are exposing the water and reducing the capacity of the river to hold water. Similarly, flood plains are created as the sand and silt are beached to the sides of the river. This provides for fertile soil that has been moving down from the mountains. So much of organic material in the form of spores, bacteria, etc., everything helping out plant growth. We use pesticides and fertilizers to kill pests. But pesticides do not differentiate between good insects and bad. They kill everything once and for all. No plant can produce seed without pollination. So how is pollination happening when we are killi...