Sustainability

00:00:02,940Now turn to section four on page seven. 00:00:08,260Section four. 00:00:10,200You will hear a lecturer talking on the topic of sustainability. 00:00:14,860First, you have some time to look at questions thirty-one to forty on page seven. 00:00:32,480Now listen carefully and answer questions thirty-one to forty. 00:01:17,040This week's lecture on a scientific topic of current general interest is on sustainability. The term sustainability is not new. It was first coined in nineteen eigh...