As Africa enters the 2020s, issues of climate change and sustainability have gained greater urgency even if not everyone agrees on the way ahead. With desertification and water shortages affecting many regions, Africa has joined the stop-start transition away from a carbon-based economy; the percentage of on- and off-grid renewables is growing in the energy mix, with solar, and to a lesser extent wind, taking a lead, promoted by large public procurement projects and ever more private initiatives.