wsj.com

According to an investigation by The Wall Street Journal, in July, the total amount of off-the-book debts held by local governments across China now stands at between $7 trillion and $11 trillion, with as much as $800 billion at risk of default.

One study calculates that over 70 GW of geothermal capacity could be established at existing oil and gas wells within the United States by 2030.28

Electric cars provide perhaps the best example of new, and enormous, material dependencies. A typical lithium car battery weighing about 450 kilograms contains about 11 kilograms of lithium, nearly 14 kilograms of cobalt, 27 kilograms of nickel, more than 40 kilograms of copper, and 50 kilograms of graphite—as well as about 181 kilograms of steel,

hardly carry any cargo at all. Keep in mind that a typical truck running on diesel can go more than 1,000 miles without refueling. So to electrify America’s fleet of trucks, freight companies would have to shift to vehicles that carry less cargo, stop to recharge far more often, spend hours of time recharging, and somehow travel long stretches of h

When development of large wind-farms in China began in the late 1990s, all turbines were imported. But Chinese manufacturers acquired wind turbine technology through joint ventures, licensing, and acquisitions, and by 2009 China’s market was dominated by locally-produced turbines. Today, China’s Goldwind is one of the largest wind turbine manufactu