Eskom calls on South Africans to switch off for Earth Hour

  Eskom calls on South Africans to switch off for Earth Hour today, 25 March from 8.30 -9,30 pm local time. The power utility says it will measure savings from this hour, plus inform all South Africans of how much energy was saved and translate that to CO2 savings. Over the years, South Africans have joined millions of…