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1·Special solvents can be used to decarbonize and desulfurize waste catalysts to replace the high-temperature roasting pretreatment process.

可以采用特殊的溶剂对废催化剂进行脱碳和脱硫预处理，以代替高温焙烧预处理。

2·We'd have to keep geoengineering indefinitely to balance out continued greenhouse-gas emissions, and the motivation to decarbonize might disappear if we believed we had an insurance policy.

如果采取保守措施控制投放力度，基于地球的脱碳可能性，为平衡温室效应我们必须持续进行地球工程。

3·Global greenhouse gas emissions have skyrocketed over the past few decades on the back of relatively cheap oil, but as the price rises, it pays to decarbonize, and the climate will benefit.

在相对低廉的油价的支撑下，全球温室气体排放在过去的几十年里直线上升。但是，油价上涨就有利于减少二氧化碳气体的排放，将有助气候的改善。