Energy
Giant cables will transport sunshine under the sea
A massive solar farm in Australia's Northern Territory will one day send electricity to Singapore via high-voltage undersea cables.
Business
Eco space travel in awards shortlist
Kinetic energy harvesting and a coating to preserve fruit and veg are also in the running.
Energy
Wave power rolls into shore
Onshore wave power is being put through its paces as the fledgling sector powers up.
Energy
Heat from the centre of the earth
European cities are digging deep into the Earth’s core to tap into geothermal heat.
Business
Hot Blocks pave way to clean power
Could these thermal blocks solve the puzzle of balancing the grid with sun and wind power?
Energy
Solar cars get ready to roll
Cars with built in solar panels powered by the sun’s rays may soon be zipping down the highway.
Business
This ‘leaf’ makes fuel from thin air
Researchers are developing a solar device that can pull fuel from the air that we breathe.
Business
Earthshot prize: meet the winners
£1m apiece was awarded to propel these five planet-saving creations towards greater impact.
Business
Copper switch slashes solar’s price tag
Tech that replaces the silver electrodes in solar cells has attracted financial backing from tech billionaires.
Business
‘Out of the box’ carbon capture
Smaller emitters may soon tap into shipping container-sized modular carbon capture solutions.
Energy
Denmark to build its own ‘green’ island
Two energy Islands, one of them artificial, will one day power the entire country.
Business
Full steam ahead for hydrogen
Could this new hydrogen heat catalyst replace the coal in coal-fired power plants?