Huge challenges remain in this edition of made. Well look at some of the problems and solutions for our plan. Us among the places will take you is the mar manure lagoon in spain, where agricultural practices are destroying marine life. Also coming up how a shortage of fertilizer is leading to some promising innovations in the United States. The complicated politics and Environmental Impact of deep sea mining and how to create diamonds out of thin air. Im k, ferguson, thanks for joining me. For millennia human activity has been leaving. Its mark on the environment. In ancient rome, woodland was cleared for the construction of boats and bridges. Us even then there were some voiced concerns. The philosopher seneca is said to have complained that the construction of villas was destroying the easy of coastline. Fast forward to the middle ages when the development of mercury mining lead to the contamination of surrounding bushes. Laser still in 1713 hans cow upon coll, events wrote a treatis