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Long the industry standard, lithium-ion batteries come with considerable drawbacks that limit their widescale adoption as the grid-energy storage medium of choice. THE CANADIAN PRESS/Jeff McIntosh

How zinc-ion batteries may solve our renewable energy storage problem

Lithium-ion batteries are holding back the full-scale decarbonization of Canada’s energy grid. Zinc-ion batteries may be the solution.
A new study finds that companies’ emissions reductions may not be what they seem. (Shutterstock)

Most companies buying renewable energy certificates aren’t actually reducing emissions

Companies are buying renewable energy certificates to meet their emissions targets, but new research suggests that the bulk of these purchases do not lead to actual emission reductions.

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