Question

Pollution is less due to organic agriculture as compared to intensive agriculture

Answer 1

your question is improper

Answer 2

Of course the pollution in organic agriculture is less in organic than intensive agriculture. That's because in organic agriculture we use humus but in intensive we use fertilizer which damage the fertility of the land.
In organic agriculture we do not use pesticides, insecticide or any harmful chemicals which can damage the small organism in the soil rather we believe that more the no. of organism in small ecosystem more will be nature balance. We even use earthworm which are also called farmers friend.
So there is no damage done directly or indirectly in organic farming