HFCs keep refrigerators cool, but when these short-lived climate pollutants leak, they warm the planet. The US EPA has a plan to phase them out, but what will replace them?
From an economic point of view, low-carbon plans in rapidly urbanising areas can have massive benefits for East African cities.
The reality of Rwanda is that there is no viable alternative to President Paul Kagame, within or outside his ruling RPF. Political rivals have died, are jailed, or have fled the country.