Libertarians believe that any government interference is bad. Anyone with a brain knows that climate change needs governmental leadership, and they can smell this is bad news for their philosophy. Their ideology is so strongly held that, remarkably, it's overcoming the facts.
Jeremy Grantham is a British investor and co-founder and chief investment strategist of Grantham, Mayo, & van Otterloo (GMO), a Boston-based asset management firm. GMO is one of the largest managers of such funds in the world, having more than US $118 billion in assets under management as of March 2015. Grantham is regarded as a highly knowledgeable investor in various stock, bond, and commodity markets, and is particularly noted for his prediction of various bubbles. He has been a vocal critic of various governmental responses to the Global Financial Crisis. Grantham started one of the world's first index funds in the early 1970s. Wikipedia