Do you know how easy it is to measure global warming? There is more then enough proof. When you know that CO2 is a greenhouse gas, then you also understand, that the balence, which allows poles to be frozen and glaciers with Ice will all melt. And when the earth is warmer, clearly deserts will grow faster than with the temperatures we have now. Greenefication of deserts is not aided by higher temperatures. Put a plant with no water into a greenhouse where it is 30°C and a familiar plant into a greenhouse where it is 35°C. Add no water to both of them and see which one survives longer. This is exactly what is then the reality for all plants on our earth. They will be in a hotter place. And I think you know that trees grow over houndreds of years and can not run naturally, because they have roots. So when our climates change, many trees will be unfit to live in the new circumstances. And they can not simply adapt to the new climate. But it is evident, that you simply are not informed in this field and ignorant to evidence based discussions. So I will end my part of the climate discussion with this note.