Yes, of course. No disagreement there. But one leaking barrel of DDT will affect an ecosystem for far longer than one leaking barrel of Sarin, and do more dama

Yes, of course. No disagreement there. But one leaking barrel of DDT will affect an ecosystem for far longer than one leaking barrel of Sarin, and do more damage where it hurts the ecosystem the most by accumulating as it creeps up the trophic pyramid.