Few climate adaption projects can match the sheer ambition — or unfullfilled promise — of Africa’s “Great Green Wall.” The United Nations-backed initiative, launched in 2007, aims to plant a 5,000...
Few climate adaption projects can match the sheer ambition — or unfullfilled promise — of Africa’s “Great Green Wall.” The United Nations-backed initiative, launched in 2007, aims to plant a 5,000...