Hello, everyone. Today, I’d like to introduce to you the decreasing of blue whales and think together from moral standpoint about some words which are carelessly used now and then. I’m afraid this topic a little deviates from environmental problems, but to prevent us from repeating same mistakes in nature, it is necessary not only survey natural environment but also overturn our thought against nature and all living things in the earth from the root.
It has passed long time since the decreasing of the number of blue whale started to become the problem. We can attribute this problem to over whaling for the commercial purpose. Since 19th century, the developing of shipbuilding technology needed amount of oil as duel of ships and it resulted excessive