Hydrogen can leave carbon footprint depending on how it’s produced

With ongoing global energy struggles, parts of Canada are investing more in hydrogen, the universe’s most abundant element that could become a limitless green fuel. But not all hydrogen is equal. Heather Yourex-West explains the different ways to extract it, how that affects the environment, and why that will play a key role in how potential customers choose their suppliers.

• International interest over Newfoundland’s hydrogen potential worries some experts