let's bring in the scientists that we just saw in that report john francoise best known of the swiss federal institute of technology in zurich it's good to have you on the program ok we're talking about a trillion new trees i mean that that that is a lot of trees is there really enough space on the planet where conditions where there is space and where the conditions are just right to grow trees well this is what we did in our study basically it's the 1st time that 3 minutes ready to quantify to that of these quanta that this quantitative approach scares me to know what can be done on the planet and the thing is that modern which is predicting where we can put back some trees in the natural environment and not try to call system is only based basically on priming that down to but i think that's how and i think that that's basically just on this coming nation of about a viable those that we observed in natural conditions were able to see that cocaine and natural condition with those variables we can have that amount of trees and this is based on that we're able to extrapolate to an ol