$3 Trillion annually until 2050 will be needed to transition to a low carbon economy says Treasury Secretary Janet Yellen.  
That's a total of $78 Trillion, more than double the current national debt. Can you hear the sound of the printing press?  
            
                    
            
                    $3 Trillion annually until 2050 will be needed to transition to a low carbon economy says Treasury Secretary Janet Yellen.  
That's a total of $78 Trillion, more than double the current national debt. Can you hear the sound of the printing press?