US has technology and logistical ability to convert to all-renewable energy sources by 2050—if it can manage to exercise necessary social and political will.
Unchecked expansion of coal-reliant industries is threatening China’s water resources; a reality Australia will need to deal with sooner rather than later.
Emissions controls will not be the only factor influencing our choice of future energy sources. The IEA and private analysts have pointed to the impending water crisis which could lead to stranded assets – particularly in coal and shale gas – and accelerate the push towards ‘dry’ technologies, like wind and solar PV.
New high-tech, hand-powered water pump has potential in Africa and other regions where water delivery remains an enormous hurdle to community health.
A Victoria University desalination breakthrough means industry could provide its own sustainable water supply, powered by its own waste heat.