In 2006,Professor Nicolas Stern of the United Kingdom Stated "Climate

In 2006,Professor Nicolas Stern of the United Kingdom stated "Climate change is the greatest market failure the world has ever seen." Which of the following statements describes the biggest challenge to efforts to begin correcting this market failure?

A) Climate change is too large a problem to be compared to a market failure.
B) Each government around the world must choose its own level of emissions.
C) We do not have precise estimates of the costs of increased levels of CO2e in the atmosphere.
D) We do not have precise estimates of the costs of reducing greenhouse gas emissions.
E) Policy design must be coordinated among all major governments of the world,as the problem is truly a global one.