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Garden writer Jeff Lowenfels asks whether there is more matter falling from birch trees late this summer than in previous years,
MOSCOW — Summer wildfires have already produced a record amount of carbon emissions in Russia’s Siberian region of Yakutia, with still more weeks of the fire season to come, according to the European Union’s Copernicus satellite monitoring unit. Environmentalists fear the fires, fuelled by hot weather, may thaw Siberian permafrost and peatlands, releasing even more
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