Great Green Wall and Sahara Desert

The video discusses the expansion of the Sahara Desert and its impact on regions like Lake Chad. It introduces the Great Green Wall initiative aimed at combating desertification in Africa. Despite challenges like funding and slow progress, alternative methods such as FMNR show promise. The video emphasizes the urgency of addressing these issues to prevent future crises.

What is the current size of the Sahara Desert?

• 2.5 million square miles

• 5.5 million square miles

• 3.5 million square miles

• 4.5 million square miles

By how much has Lake Chad shrunk in the last 50 years?

• 95%

• 90%

• 70%

• 50%

Which of the following is NOT a cause of the Sahara's growth?

• Bad farming practices

• Deforestation

• Overgrazing

• Climate change

When was the idea of the Great Green Wall first brainstormed?

• 2005

• 2010

• 2000

• 2015

How many countries are part of the Great Green Wall project?

• 15

• 24

• 21

• 18

What is the estimated cost of the Great Green Wall project according to the UN?

• 10 billion dollars

• 33 billion dollars

• 50 billion dollars

• 20 billion dollars

What percentage of the Great Green Wall's target area was covered from 2007 to 2019?

• 2%

• 4%

• 6%

• 8%

Which country is mentioned as an example of successful reforestation using FMNR?

• Ethiopia

• Chad

• Niger

• Nigeria

What is the main reason for the failure of many planted trees in the Great Green Wall project?

• Poor soil quality

• Insufficient care and maintenance

• Wrong species of trees

• Lack of water

What is one potential benefit of dead trees in the Sahara Desert?

• They prevent erosion

• All of the above

• They increase soil nutrients

• They provide shade