Discussion for Module 4: CHOOSE ONE TOPIC. 1) Nuclear Waste Storage. Should Nevada's Yucca Mountain nuclear waste depository be completed and open for business? If not, where should U.S. nuclear waste be stored? / TOPIC 2: Single-use plastics... 92 92 unread replies. 92 92 replies. Students, CHOOSE YOUR FAVORITE TOPIC TO POST ON: TOPIC 1) Discuss your opinion of the Yucca Mountain nuclear storage project (which currently sits unfinished, awaiting either approval or indefinite suspension). Here is a short documentary (very 1980s retro-chic!) to give you some scientific and logistical background about the storage facility: Yucca Mountain: The Making of an Underground Laboratory (Links to an external site.) Yucca Mountain: The Making of an Underground Laboratory TOPIC 2: Plastics in the earth's waste stream: Should regulations be banning single-use plastics, or should plastics be phased-out on a voluntary basis, by consumers and companies? Case example, India: Indian government pledged to eliminate single-use plastic in India by 2022. Almost all of India's 29 states have full or partial bans on single-use plastics.