
Image caption
Aerial photo of coal-fired power station in South Africa. By Gerhard Roux, (CC-BY-SA-3.0-2.5-2.0-1.0), via Wikimedia Commons.
Aerial photo of coal-fired power station in South Africa. By Gerhard Roux, (CC-BY-SA-3.0-2.5-2.0-1.0), via Wikimedia Commons.