Experts in the airline industry estimate these eco-friendly options will contribute to roughly 65% of emission reductions.
Three sustainable fuels that could be the future of green aviation
Analysis: Is hydrogen the new oil?
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.
Danish companies outline an ambitious collaborative project to create green hydrogen at scale
Ambitious Danish project plans to deliver green hydrogen at scale.
Paul Polman: Ryanair is one of the most unethical and carbon-polluting companies in Europe
Former Unilever CEO brands Ryanair one of the most unethical and polluting companies in Europe.
Opinion: Hyperloop – the transport revolution of our time
Could we finally have a solution to cut emissions from aviation in the shape of the hyperloop technology?
A greener life, a greener world 