烟囱排放及雨雪沉积后，汞常常进入水中。
It is emitted through smokestacks and deposited in rain and snow, often making its way into the water.
颗粒物质来自汽车尾气、燃煤厂烟囱排放、垃圾堆燃烧、粉尘及其他源头。
Particulate matter comes from vehicle exhaust pipes, coal plant smokestacks, burning trash piles, dust and other sources.
但也可以另辟蹊径：将发电厂烟囱排放的二氧化碳留住并将其安全的封藏在地下。
But the fight has another prong: stripping carbon dioxide out of the smokestacks of power plants and other factories and storing it safely underground.
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