The process of land degradation in arid, semi-arid, and dry sub-humid areas

The process of land degradation in humid areas

The process of land degradation in polar regions

The process of land degradation in mountainous regions

A project to plant a wall of trees across Africa to combat desertification

A project to build a wall of concrete across Africa to combat desertification

A project to plant a wall of trees across Asia to combat desertification

A project to build a wall of concrete across Asia to combat desertification

To combat desertification, improve food security, and create jobs

To combat desertification, improve water security, and create jobs

To combat desertification, improve air quality, and create jobs

To combat desertification, improve soil quality, and create jobs

8,000 kilometers

10,000 kilometers

12,000 kilometers

15,000 kilometers

Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Chad, Sudan, Ethiopia, Eritrea, Djibouti

Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Chad, Sudan, Ethiopia, Eritrea, Somalia

Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Chad, Sudan, Ethiopia, Eritrea, Kenya

Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Chad, Sudan, Ethiopia, Eritrea, Tanzania

Climate change, lack of funding, political instability, and local resistance

Climate change, lack of funding, political stability, and local resistance

Climate change, lack of funding, political instability, and local support

Climate change, lack of funding, political stability, and local indifference

Reduced desertification, improved food security, and increased biodiversity

Reduced desertification, improved water security, and increased biodiversity

Reduced desertification, improved air quality, and increased biodiversity

Reduced desertification, improved soil quality, and increased biodiversity

2007

2008

2009

2010

$8 billion

$10 billion

$12 billion

$15 billion

15 million

20 million

25 million

30 million

2030

2040

2050

2060

They provide labor and expertise

They provide funding and support

They provide land and resources

All of the above

It contributes to Goal 1: No Poverty

It contributes to Goal 2: Zero Hunger

It contributes to Goal 3: Good Health and Well-being

It contributes to Goal 13: Climate Action

Increased food production in Niger

Improved water security in Senegal

Reduced desertification in Chad

All of the above

Climate change

Lack of funding

Political instability

All of the above