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Researchers suggest 100 percent renewable energy isn’t very green
In order to keep global temperature rise below 1.5 degrees Celsius, we'll need to rely on renewable energy, electric vehicles (EV) and battery storage. But creating that infrastructure will dramatically increase our need for metals like cobalt and lithium. A report released this week cautions that a spike in demand for those and other metals could drain the planet's reserves and lead to dire social and environmental consequences.
