In "Smart Solutions to Climate Change," Lomborg lashes out at current policies to curb greenhouse gas emissions but also highlights the need to spend 100 billion dollars a year on intelligent research and green technologies.
By spending billions in a smart way, the world could essentially resolve the climate change problem by the end of this century, insists Lomborg, who edited the new book containing proposals from 28 economists -- including three Nobel laureates -- gathered ahead of last year's climate summit in Copenhagen.
This may seem like an about-turn by the self-proclaimed sceptical environmentalist who had earlier said reducing greenhouse gas emissions should not be a priority as long as there are problems like poverty and famine.
But the 45-year-old Dane, with his mop of blond hair and boyish grin, insists he has not shifted positions.
"I am saying what I have always said: that the climate is a real and important, man-made problem, but that we are handling it badly," he