Detail three ways in which you use rare-earth metals in your personal life. Desc

Detail three ways in which you use rare-earth metals in your personal life.
Describe three ways to reduce harmful environmental impacts from mining and processing nonrenewable resources.
What determines whether we should fully deplete the stock of nonrenewable resources (such as oil, gas, and coal), or stop using the nonrenewable resource before depletion and switch the energy substitute? What factors influence the timing of the switch?
Summarize the following in 400 words:
An alternative energy source you think holds the most promise of becoming a common energy source around the world. Explain your answer
The pros and cons of this energy source, including possible environmental impacts and how they might be mitigated to promote a sustainable society
Your energy source does not have to be one that has been presented in the course content–it can even be your own creation as long as it is realistic and viable. Images are welcome if they help convey the idea. Be creative and have some fun with this!