Renewables are the fastest growing part of the energy mix. Solar and wind have led the way.
Hydropower has been used in power generation for decades, but it remains a relatively small part of the energy mix and its further development is controversial.
New supplies of minerals such as lithium and cobalt will be needed for the energy transition to move forward quickly.
It’s always easier to sit on one’s hands. But leadership means taking action amid uncertainty.
New technologies are rife but no single innovation is sure to be a game-changer.
A problem with electricity is that it’s impossible to store on a large scale. But new battery designs are changing the game.