Scientists suggest that our planet will heat up by a minimum of 4C by 2100, unless emissions of greenhouse gases are cut. This would have catastrophic implications leading to cataclysmic changes in the global climate and the disruption of the world economy. br br br As a mother of three, I fight not only for the health of our planet but for that of all its children, too. It is a moral imperative. It is critical to extend the notion of home beyond the boundaries of our own backyards. Our home is the Planet Earth. br br Jean François SOUSSANA br President of the scientific research br on climate change European Councilbr IPCC expert group on climate change intergournementale br br Jesus Juan ROSALES ADAMEbr Director of the Department of ecology br and natural resources br of the University of Guadalajara, br Mexicobr br Christian DE PERTHUIS br Professor University Paris Dauphine br Chair climate change.