Humans have become the most dominant animal on the planet. They have adaptations providing advantages over other animals. They have even out competed other species in their own genus. Humans have opposable forefingers and thumbs for superior dexterity, very large brains for intelligence, walk upright with bipedal locomotion to cover distances more efficiently, care for each other in social groups, use language and symbolism (abstract thought), can control fire, construct shelter, and manufacture and use tools (including clothing and hunting tools). As of 2015, the worldwide human population was estimated at 7.38 billion (United Nations, 2017). But, with so many humans competing with other animals and plants, and each other, for the same resources, is such a large population sustainable? What will happen to other animals? What will happen to plants? What will happen to humans themselves? This article presents a straight forward activity that can help students understand the constructs of technological fix and trade-offs. Teachers are invited to have students conduct research on the climate accord and work in groups to come up with solutions to the problem of reducing carbon dioxide emissions to zero by 2050. A list of questions is provided to guide students as they address each question.