Can someone please assist with these questions?

1. (Professor William Nordhaus proposes a "Climate Club" to get the nations of the earth to work together in order to reduce CO2 emissions.What are the elements of his proposal?Why is his proposal superior, at least in concept, than the Kyoto Protocol or the Paris Accord?What evidence does he cite?The EU is considering a carbon border tax.How is this like the "Climate Club" proposal?

2)What is a "cross market scheme" in energy trading?Explain and give an example.

3)What are the advantages and disadvantages of nuclear power plants for the US?

4)Describe MacAvoy's analysis and conclusions regarding the natural gas pipeline industry and the electricity transmission industry.