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Fossil fuels have similar inertia, he argues. Today, coal, oil, and natural gas still supply 90% of the world’s primary energy (a measure that includes electricity and other types of energy used in industry, transportation, farming, and much else). Smil notes that the share was actually lower in 2000, when hydropower and nuclear energy made […]

Every year, the billions of metric tons of carbon dioxide (CO2) we release into the atmosphere add to the growing threat of climate change. But what if we could simply recycle all that wasted CO2 and turn it into something useful? By adding electricity, water, and a variety of catalysts, scientists can reduce CO2 into […]