New global greening over the last several decades has reduced the extent of the Sahara Desert by a greening of the Sahel.

Global greening means that we need less and less land to feed the world's population . Scientists Skeptical of Anthropogenic Global Warming

• New England used to be 70 per cent farmland but is now 70 percent woodland.
• Haiti is brown and deforested because it relies on renewables yet its neighbour the Dominican Republic is green because it uses a fossil fuel product , propane.
  Conrad Wood - Fossil fuels promote global greening
  
  youtube.com - Matt Ridley on How Fossil Fuels are Greening the Planet