Environment Pollution: An Introduction

nature and are man-made. E.g. fungicides, herbicides, DDT etc.
  1. According to their nature of disposal.
  • Biodegradable Pollutants: Waste products, which are degraded by microbial action. E.g. sewage.
  • Non-biodegradable Pollutants: Pollutants, which are not decomposed by microbial action. E.g. plastics, glass, DDT, salts of heavy metals, radioactive substances etc
  1. According to origin
  • Natural
  • Anthropogenic
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