Tagged: Sahara desert

Africa’s Great Green Wall 1

Africa’s Great Green Wall

I once wrote that China planted a great green wall to stop desertification. It seems some African nations are willing to follow this example in order to stop the Sahara from going South. Indeed...

An interesting geoengineering idea 4

An interesting geoengineering idea

I was previously noting that  the Sahara desert is slowly turning green. To a new study hurrying the process and extending it to the Australian outback by planting eucalyptus trees (left) could absorb our...

Is Desertec a sound idea ? 4

Is Desertec a sound idea ?

The fact has been known for years:  harvesting the energy provided by the sun to a tiny fraction of the Earth could supply all the energy Humankind needs without greenhouse gases emissions or pollution...