You must have at least 5 cited sources

If you found a one-of-a-kind prototype of a revolutionary new mobile phone lying on a public beach, what would you do with it? What would be the consequences of your chosen action?
Does the value of a parcel of land come only from the profits it can generate? If not, what makes land valuable? Does it ever have any value that is not recognized by the law? Actively research and address issues of sustainability in this context.
What is the role of governments in regulating the use of any form of property? Why do laws work so well to maintain standard uses, and what would be alternative ways to set boundaries on what businesses could do?
What are some limitations of current law (choose any country of interest) in terms of protecting the use of public and private property from a sustainability perspective?