Bob Dylan famously claimed "the answer is blowin' in the wind". Does the same apply for our growing energy and environmental crisis?
Energy resources exist in different forms - some exist as stocks and are exhaustible, others exist as flows and are inexhaustible. The effects of climate change, and the impact that greenhouse gas emissions have on the atmosphere, are ushering in a reassessment of where our energy supply comes from and, more importantly, how sustainable it is.
Lithium-ion batteries are central to our modern technological lives. However, they come with environmental and human rights concerns. Can the more plentiful sodium take over?
Offshore wind has the potential to become a huge energy resource. But tapping into it comes with many issues. A new radical design to turbine looks to change this.
Flexible and efficient thermoelectric generators could be molded to a wide range of different heat emitting industrial processes.
A new approach to storing renewable energy looks to recreate the process of hydroelectric dams under the ocean.
Civic technology helps communities put power into their own hands - quite literally. New open source technologies can provide powerful tools to those looking to set up local renewable energy grids.
A new study takes a look at the power consumption and CO2 emissions caused by the very backbone of the internet - data centres - and offers ideas on what we can do to ensure that this cornerstone of our digital lives is greener and kinder to the planet.
Solar-powered water pumps can make a huge difference for millions of farmers around the world.