Clean Energy
Towards a green future
Scientists are looking at cost-effective and sustainable ways of producing green hydrogen. Using wastewater is one of them.
'Hydrogen plays an exciting role in decarbonisation'
Dr Nigel P. Brandon on harnessing hydrogen's potential as a clean-energy source.
Clearing the air: Mission Possible
While air pollution remains a challenge, the experience of world cities shows there are solutions.
The sooner, the better
Lowering greenhouse gas emissions now will give low-emissions countries time for more gradual reductions in the future.
