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The world is embarking on a low-carbon diet, but does this herald the end of the oil age? It’s complicated.
The key goal of the "Green New Deal" backed by many Democratic presidential candidates would cost $4.7 trillion and pose massive economic and social challenges, says Wood Mackenzie report.
A pioneering $1 billion project for large-scale storage of energy from wind and solar power has been launched in Utah, offering a way to manage the variability of renewable generation.