With the cancellation of the Keystone XL pipeline and the increasing pressures of climate change, transitioning Alberta from an oil-based economy is feeling more and more urgent. Hydrogen fuel may end up playing a transformative role for the energy-producing province.

Emma Graney, The Globe’s energy reporter, gives listeners a primer on hydrogen: the different ways it’s made, how it plays into governments’ net-zero-emission goals and why Canada thinks it could become a world leader in this growing energy sector.

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