Covid-19 has caused the worst crisis in aviation's history. Is this the industry's moment for a green reset—and which technologies offer the best hope?

Read The Economist’s special report on business and climate change: https://econ.st/3bbckJZ

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Can the aviation industry fully recover from the effects of the pandemic? https://econ.st/3baDqAQ

How air travel’s sudden collapse will reshape a trillion dollar industry: https://econ.st/3pRjirH

Why aren’t all commercial flights powered by sustainable fuel? https://econ.st/3b7MBC7

After many false starts, hydrogen power could now be widely used: https://econ.st/38gTNdo

Could hydrogen fuel offer a greener way to fly? Listen to our Babbage podcast: https://econ.st/35a66GD

How aircraft can save fuel by copying the way geese fly: https://econ.st/2KTg5sZ

Is the era of electric flight upon us? https://econ.st/3rWBe5V

How microbes in panda’s guts can help in biofuel production: https://econ.st/3pUyyEn

Find our most recent science and technology coverage: https://econ.st/2LnEJBC