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Articles on Sustainability

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Blockchain transactions are carried in blocks. The amount of energy it takes to add a new block varies widely depending on how it’s done. Yuichiro Chino/Moment via Getty Images

What is proof-of-stake? A computer scientist explains a new way to make cryptocurrencies, NFTs and metaverse transactions

Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.
Climate researchers stress that natural gas bridges can often lead to nowhere as the reliance on natural gas can lock countries into fossil fuels, crowd out low-carbon technologies and risk stranding assets. (Shutterstock)

A bridge to nowhere: Natural gas will not lead Canada to a sustainable energy future

Fossil fuel companies are winning the battle on how we talk about natural gas expansion by referring to it as a “bridge fuel” or an essential bridge to the net-zero energy system of the future.

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