Solar thermal technology uses the sun’s heat to generate electricity, or heating.
Beyond Coal & Gas Image Library/Flickr
Mining requires huge amounts of energy – could it be replaced with renewables?
Tasmania’s hydro power is dependent on rains.
Dam image from www.shutterstock.com
Catch 22: renewable energy can help fight climate change, but climate change might prove hard on renewable energy.
Desert troughs.
Green Prophet
A large solar thermal plant in Morocco will provide energy for 1m people – here's how it will work.