Novel Entities

Dear Friends,

This month, we shall discuss the 8th Planetary Boundary: Novel Entities. In common parlance, we may call them chemical pollution caused by the release of man-made toxic substances into our environment, but it is not only toxicity but something more that cannot be captured by the term ‘chemical pollution’. This is why scientists decided to use the term ‘novel entities’. Essentially, we are dealing with the release of these toxic substances into the environment. But one may ask, “So what? There are so many toxic substances that occur naturally like salt, kerosene, snake venom etc. Why should we worry?” Let us see why?

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