Telegraph: Nasa scientist Jim Hansen has warned that the President-elect needs to take decisive action in his first administration as soaring carbon emissions threaten to trigger global flooding, widespread species loss and major weather disruption. Mr Hansen said: “We cannot afford to put off change any longer. We have to get on a new path within this new administration. We have only four years left for Obama to set an example to the rest of the world. America must take the lead.” Mr …