From wasteland to forest

We are on a green planet, we are the only ones in our solar system, in a radius of 5 light years we are a unique planet. We live in the green zone. 
3.357.376 hectare less forest this year 
7.747.007 hectare desertification this year 

Together we can save the Earth because i don't want to go to Mars.

Reduce al the grass eating animals with 90%, example the cows, goats, sheeps. 
Land division: 
33% pavement 
33% low vegetation 
33% high vegetation /trees

Humans don't deserve earth