Radio Australia: A new book says even that is not enough, warning that the global warming threat to the planet has been drastically under-estimated. Presenter: Sen Lam Speaker: David Spratt, co-author Climate Code Red: The case for Emergency Action LAM: David Spratt, first of all, is it to little to late? SPRATT: The Australian Government scheme certainly is. If we contrast that which has made no promises about emissions and when they’ll be cut, the prime minister was asked on …