Internally Displaced Peoples (IDPs), refugees from the conflict with Boko Haram, carry building materials across the dried up bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

An NGO vehicle drives across the dustbowl on the bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population...

A man herds cattle across the shore of Lake Chad where over-grazing is one of the causes of desertification. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Cl...

Cranes walking on the sand shore of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanned...

Adam Abdullah (75) lives on the edge of the rapidly diminishing Lake Chad on the outskirts of Melea. A decade ago his cattle died in a famine. "There used to be water all around here, but I have watch...

Adam Abdullah (75) lives on the edge of the rapidly diminishing Lake Chad on the outskirts of Melea. A decade ago his cattle died in a famine. "There used to be water all around here, but I have watch...

A single fish, all that was caught in a fish trap from waters in a part of Lake Chad where fishing has become almost unsustainable. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cen...

A fisherman carries an empty fish trap from waters in a part of Lake Chad where fishing has become almost unsustainable. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent...

A member of the Chadian defence forces looks over a part of Lake Chad where fishing has become almost unsustainable, on the look-out for the ever-present Boko Haram. Lake Chad, which spanned 9,652sq...

A woman working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will stop the desert encroachi...

A man and a boy ride a camel past fields where residents working in vegetable plots are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) in the hope that th...

A man and a boy ride a camel past fields where residents working in vegetable plots are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) in the hope that th...

A woman washes her face after working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will sto...

A woman working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will stop the desert encroachi...

Fali Ndiaye whose husband Ibra Ndaw (32), drowned off the coast of Libya having left his village in search of a new life in Europe. The Great Green Wall is a project spanning 8,000km of Africa from c...

Fali Ndiaye whose husband Ibra Ndaw (32), drowned off the coast of Libya having left his village in search of a new life in Europe. The Great Green Wall is a project spanning 8,000km of Africa from c...

Colonel Papp Sarr, who oversaw the planting of the first seeds of the Great Green Wall project in 2008, drought-resistant acacia planted in the Senegalese village of Widou Thiengoly. The Great Green...

Colonel Papp Sarr, who oversaw the planting of the first seeds of the Great Green Wall project in 2008, drought-resistant acacia planted in the Senegalese village of Widou Thiengoly. The Great Green...

Women plant and irrigate vegetables as part of the Great Green Wall project. The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 the am...

Women including Jamilatou Ka, a 30-year-old mother of four children, plant and irrigate vegetables as part of the Great Green Wall project. The Great Green Wall is a project spanning 8,000km of Afric...

Women including Jamilatou Ka, a 30-year-old mother of four children, plant and irrigate vegetables as part of the Great Green Wall project. The Great Green Wall is a project spanning 8,000km of Afric...

Women including Jamilatou Ka, a 30-year-old mother of four children, plant and irrigate vegetables as part of the Great Green Wall project. The Great Green Wall is a project spanning 8,000km of Afri...

71-year-old cattle breeder Moussa Sy, whose family farm is next to the site, was instrumental in persuading his fellow herders to allow the Great Green Wall to be planted here. The Great Green Wall...

The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 the ambition is to restore 100m hectares of degraded land and bring security to one...

The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 the ambition is to restore 100m hectares of degraded land and bring security to one...

A man rides a camel on the shores of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanne...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

A woman and her child walk on the sand shores that surround Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with populat...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

A man sits among seedlings in pots of various trees species (acacia, desert date, guava, citron and mango trees) that villagers are planting in the hope they will stop the desert encroaching on their...

A woman working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will stop the desert encroachi...

Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanned irrigation also contributing to what the UN cal...

Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanned irrigation also contributing to what the UN cal...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

Fali Ndiaye whose husband Ibra Ndaw (32), drowned off the coast of Libya having left his village in search of a new life in Europe. The Great Green Wall is a project spanning 8,000km of Africa from c...

71-year-old cattle breeder Moussa Sy, whose family farm is next to the site, was instrumental in persuading his fellow herders to allow the Great Green Wall to be planted here. The Great Green Wall...

Hawa Sow (9) herds goats in what is now desert near the village of Koyli Alpha. The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 th...

Hawa Sow (9) herds goats in what is now desert near the village of Koyli Alpha. The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 th...

Hawa Sow (9) herds goats in what is now desert near the village of Koyli Alpha. The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 th...

Hawa Sow (9) herds goats in what is now desert near the village of Koyli Alpha. The Great Green Wall is a project spanning 8,000km of Africa from coast to coast encompassing 20 countries. By 2030 th...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

Near the village of Melea people irrigate seedlings on the dried lake bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

Adam Abdullah (75) lives on the edge of the rapidly diminishing Lake Chad on the outskirts of Melea. A decade ago his cattle died in a famine. "There used to be water all around here, but I have watch...

Adam Abdullah (75) lives on the edge of the rapidly diminishing Lake Chad on the outskirts of Melea. A decade ago his cattle died in a famine. "There used to be water all around here, but I have watch...

A man working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will stop the desert encroaching...

A man working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will stop the desert encroaching...

A woman washes her face after working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will sto...

A woman working in vegetable plots around which villagers are planting seeds of various trees species (acacia, desert date, guava, citron and mango trees) that they hope will stop the desert encroachi...

Sgt Stephen operates the door guns in a Chinook during an RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWC...

Sgt Stephen operates the door guns in a Chinook during an RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWC...

Sgt Stephen operates the door guns in a Chinook during an RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWC...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

Sgt Stephen operates the door guns in a Chinook during an RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWC...

Sgt Stephen operates the door guns in a Chinook during an RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWC...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

An RAF Chinook helicopter flies over flooded land as part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

Boucri Coulibaly (50), from Ogossagou village, with his wives and children. Thousands of Fulani (semi-nomadic herders of the Sahel) have been displaced by fighting with the Dogon people and have fled...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

An RAF flight over the desert, part of Operation NEWCOMBE CH47, the codename for British military assistance to France's Operation Barkhane. NEWCOMBE consists of three Royal Air Force Chinook helicopt...

Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanned irrigation also contributing to what the UN cal...

Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanned irrigation also contributing to what the UN cal...

An UN WFP worker looks over a scheme to prevent the shifting desert sands overwhelm new crops. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change i...

Boys playing beside an UN funded irrigation scheme that manages the water in Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to bl...

Dar es Salaam Refugee camp which houses refugees from the conflict with Boko Haram. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame,...

Nigerian refugee Kakahajja Abatcha (30, in red) takes a walk with her friend Hadiza Abakar (35). Many who have suffered at the hands of Boko Haram languish in the Dar es Salaam refugee camp, meaning '...

Nigerian refugee Kakahajja Abatcha (30, in red) takes a walk with her friend Hadiza Abakar (35). Many who have suffered at the hands of Boko Haram languish in the Dar es Salaam refugee camp, meaning '...

Dar es Salaam Refugee camp which houses refugees from the conflict with Boko Haram. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame,...

Dar es Salaam Refugee camp which houses refugees from the conflict with Boko Haram. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame,...

Nigerian refugee Kakahajja Abatcha (30, in red) takes a walk with her friend Hadiza Abakar (35). Many who have suffered at the hands of Boko Haram languish in the Dar es Salaam refugee camp, meaning '...

Nigerian refugee Kakahajja Abatcha (30, in red) takes a walk with her friend Hadiza Abakar (35). Many who have suffered at the hands of Boko Haram languish in the Dar es Salaam refugee camp, meaning '...

Dar es Salaam Refugee camp which houses refugees from the conflict with Boko Haram. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame,...

Dar es Salaam Refugee camp which houses refugees from the conflict with Boko Haram. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame,...

Dar es Salaam Refugee camp which houses refugees from the conflict with Boko Haram. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame,...

A truck driver delivery aid to the Dar Es Salaam refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population grow...

Internally Displaced Peoples (IDPs), refugees from the conflict with Boko Haram, walk on the dried up bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent...

Reed huts built by Internally Displaced Peoples (IDPs), refugees from the conflict with Boko Haram, on the dried up bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per...

Reed huts built by Internally Displaced Peoples (IDPs), refugees from the conflict with Boko Haram, on the dried up bed of Lake Chad. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per...

Malnourished children are weighed and measured at the WFP nutrition clinic at the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. C...

Children in the UN run school in the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population gr...

A malnourished childr is weighed and measured at the WFP nutrition clinic in the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Cl...

A malnourished childr is weighed and measured at the WFP nutrition clinic in the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Cl...

A boy living in the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanne...

A boy living in the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with population growth and unplanne...

A man stands in a pool of water in the Dar es Salaam Refugee camp. Lake Chad, which spanned 9,652sqm in 1963, has shrunk by 90 per cent in recent decades. Climate change is to blame, with populatio...