During Ashoka’s time, the focus was on a clean environment, and burning of farm chaff after harvest was banned, US-based environmental attorney and author Bruce Rich said.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/%E2%80%98wildlife-environment-protection-india-dates-back-kautilya-ashoka%E2%80%99s-time%E2%80%99
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment