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Motorists drive at night on a road without street light as Nigeria struggles with power outages in a commercial district of Lagos. Photo by PIUS UTOMI EKPEI/AFP via Getty Images

Why Nigeria’s electricity grid collapses and how to shore it up

Nigeria’s national electricity grid has collapsed more than 200 times since 2010, regularly resulting in widespread blackouts.
Egyptian Prime Minister Mostafa Madbouly pledged to keep food prices in the fair range amid the ongoing conflict between Russia and Ukraine. Photo by Ahmed Gomaa/Xinhua via Getty Images

Russia-Ukraine crisis poses a serious threat to Egypt – the world’s largest wheat importer

Egypt is already feeling the impact of the war, which has led to recent cancellation of tenders due to lack of offers, in particular from Ukraine and Russia.
Alien pine trees, which use substantially more water than the native vegetation of the Cape Mountains, reduce river flows to dams that supply the city’s water. Martin Kleynhans

Clearing alien trees can help reduce climate change impact on Cape Town’s water supply

Clearing alien trees before the drought hit could have reduced the impact of climate change on water supply during the ‘Day Zero’ drought.

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