Watch Arnab in Conversation with Bjorn Lomborg - A Global Thought Leader | Nation Wants To Know

Leaders are implementing superficially attractive but terribly inefficient policies - not least on climate change

Today, world leaders and their entourages will disembark from carbon-spewing jets in New York to sign the world’s costliest-ever climate change treaty. Prime Minister Narendra Modi will be among them. Lit by the flashbulbs of the world’s press and warmed by their sense of accomplishment, these politicians will pat each other on the back and declare a job well done. The reality is that the so-called >“Paris Treaty” is a hugely expensive way of doing very little.

Bjørn Lomborg, the controversial author of The Skeptical Environmentalist, is back with his new book, Cool It. His take on global warming is bound to come under fire. Here, Lomborg responds to his likely critics.