Long-overdue changes are afoot in Britain's bus networks.
Active travel can help tackle the climate crisis earlier than electric vehicles – even if you swap the car for a bike for just one trip a day.
Low-carbon alternatives for steelmaking are numerous – but which will be ready in time?
Britain's electricity sector continues to decarbonise, but its capacity to store energy lags far behind.
Investment in renewable electricity needs bipartisan political support and some bold decisions if New Zealand is to meet its future energy commitments.
The Climate Change Committee has laid out a road map for net zero emissions that the UK government could follow.
Heat pumps use electricity to transfer warmth from outside to inside a house.
Hydrogen is feted as the key to a dynamic green economy. But is it the best choice for decarbonisation in all cases?
Don't count nuclear energy out – it may be our best hope of reaching net-zero emissions within the time we have left.
A precedent set at the industry's outset has dominated efforts to reform aviation.
Low-carbon energy sources aren't all equally well-suited to getting us to net-zero emissions.
New bike lanes are a good idea for health and air quality, but the convenience of car travel for most journeys will remain.
It seems likely we are going to need radical reductions in future ownership of private vehicles as we transition to cleaner transport.
Energy efficiency and electrification should lead the effort to decarbonise society, not hydrogen.
Building a greener economy starts at home.
Emissions from Australia's electricity sector have dropped markedly during the pandemic.
But a recession could cloud the renewables outlook.
Just as it did 75 years ago, the UK government has a chance to build back better from a crisis.
As lockdowns have came into effect around the world, air pollution has plummeted.
Transport Secretary Grant Shapps has called for fewer cars and better public transport.
The world runs on energy, so finding low-emission alternatives to fossil fuels is crucial. Wind and solar are cheap and abundant but can't do everything. But hydrogen fuel could complete the picture.