Hydrogen may have lost the race to fuel electric cars but it looks a likely contender to replace fossil fuels in trucks, ships, planes and heavy industry.
Analysis: Is hydrogen the new oil?
European car markers struggle to adhere to EU emission rules
In Europe, emissions from new vehicles rise for the third year running.
Oakland has closed a bunch of streets to cars. Other cities should follow its lead
Oakland in Califonia closes some streets to cars to allow more space for pedestrians, joggers, and cyclists.
Our addiction to ride-sharing apps is hurting the environment
A new study breaks down how Lyft and Uber contribute to climate change.
Analysis: Can Chinese cities leave the car behind?
For years, Chinese city planners have prioritised cars, but they’re now taking a different route, writes Liu Shaokun.
Analysis: What difference can eco-driving make to transport emissions?
How much can eco-driving contribute to emissions reductions?
A greener life, a greener world 