Referencing Styles : Harvard Why is the mitigation of GHG’s characterised as a public good and what is the main implication of this?2.Assume you are the principal advisor of the Minister for the Environment. The Minister has an upcoming media interview about a proposed carbon tax and would like precise and concise answers for the following potential topics. (a)In three dot points explain the rationale for the government’s intervention to mitigate climate change?(b)In three dot points explain why a carbon tax is the preferred policy?3.Write a one paragraph response to the following question. “Why do most economists put their trust in ‘market-based’ solutions as opposed to direct government interventions (so called command and control approaches) to mitigate GHGs?”