You can solve all the world’s problems in a garden.” – Geoff Lawton

 

The largest non-polar desert in the world is the Sahara Desert, a subtropical desert in northern Africa; it covers a surface area of about 3.5 million square miles. Just to put that into perspective it is as big as the United States of America, only difference is that desertification and land degradation increases about 12 million hectares each year, the size of New York State!

Source: www.evolo.us