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Evidence from glacier ice: Until it was banned, leaded gasoline dominated the anthropogenic lead emissions in South America

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Apart from combustion of leaded gasoline, major sources of anthropogenic Pb emissions include mining, metallurgical processing, and coal burning. While the lead isotope ratios agree with those in the rock of local mines (brown) prior to 1960, they correspond to those of urban air samples in Chile, Argentina, and Brazil (green) after 1960.

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Opinion: Why Lithium Will See Another Price Spike This Fall

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Price doubling from 2014/2015 was first seen in China and is now being felt worldwide, with lithium hydroxide prices from $16-20 and carbonate prices from $12-14 thousand USD per ton. In some locations, grid-scale peaking applications have already been implemented, often in old coal power plants, re-using the building and grid connections.

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EIA projects world liquid fuels use to rise 38% by 2040, driven by growth in Asia and Middle East; transportation 92% of demand

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Other liquids refer to natural gas plant liquids (NGPL), biofuels (including biomass-to-liquids [BTL]), gas-to-liquids (GTL), coal-to-liquids (CTL), kerogen (i.e., However, other countries, including Mexico, Russia, Argentina, and China, begin producing substantial volumes of tight oil between now and 2040. Forecasts Fuels Oil'

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