Pastoralists on a dry plain in central Mali, one of the seven Sahel countries hit by a wave of deadly attacks.
A big rise in armed attacks in the Sahel - and the intensity of the attacks in recent years - is now seen as a major source of concern.
roseshutterstock25 / shutterstock
Talk of ethnic and religious conflict between Muslim Fulani herders and local Christian farmers misses the full picture – this is about resources.
Presidents Issoufou, Yayi, Deby and Buhari at a meeting of the Lake Chad Basin Commission, the body in charge of the lake replenishment project
The transnational project conceived 30 years ago to replenish the drying waters of Lake Chad finally seems poised to take off. But first, internal politics within member states must be overcome.
Residents collect water in one of the many wells dug in the bed of a dried-up river in the Dierma region of Burkina Faso.
Dry areas make up more than 41% of land around the globe and are home to more than two billion people. Despite climate change and other challenges, there are ways to combat land degradation.
In the Serengeti wildebeest will move more than 2000km during their annual migration.
Many mammals depend on large areas and trans-boundary conservation for their survival. When this is obstructed it can have a catastrophic impact on animal populations.
Migrants arrive in the coastal city of Tripoli, Libya, May 26, 2017.
Migrants crossing Libya to reach Europe increasingly face violence and human traffickers.
European Commission DG ECHO / flickr
Poverty and conflict mean the nation is struggling to deal with rising temperatures.
Workers on their way to gold mines.
Issa Aboud Yonlihinza
Gold is both a blessing and a curse for rural Niger.
Recently, the Sahel has been in the global spotlight due to famines, religious terrorism, anti-state rebellions, and arms, drugs and human trafficking.
EPA/KHALED EL FIQI
The Sahel region of Africa is a 3,860-kilometre arc-like land mass lying to the immediate south of the Sahara Desert and stretching east-west across the breadth of the African continent. A largely semi-arid…
Some areas expecting big environmental changes already have large, vulnerable populations.
Flooding on the Niemur River near Moulamein, Australia, October 22, 2016.
The final weeks of 2016 would need to be the coldest of the 21st century to avoid it becoming the hottest year.
A French soldier involved in Operation Barkhane to keep Al Qaeda at bay in the desert of northern Mali patrols a street in Timbuktu.
The US and France have bolstered military strength across vast areas of Africa in response to Islamist threat. But the interest is also driven by Western strategic calculations
On the lookout after the attack in Ouagadougou.
Burkina Faso is on its way to becoming a healthy and stable democracy – and that's got West Africa's jihadists riled.
The Simien National Park in Ethiopia is home to globally threatened species.
There are several relatively unknown eco-friendly locations in Africa that adventure-seeking tourists would find delightful.
The Sahel, the transition zone between the arid north of Africa and tropic south, has highly variable rainfall.
Center for International Forestry Research.
Field trials in Senegal show native shrubs can access deep-soil water and make it available to adjacent crops – a technique that could alleviate drought conditions in marginal lands around the world.