As Earth warms, now because of extra CO2 we put in the atmosphere, ice will melt, and CO2 and methane will be released by warming ocean and melting permafrost.
随着地球变暖， 现在是因为我们排入大气层的多余的二氧化碳， 冰层将会融化， 升温的海洋和融化的冻土 会释放出二氧化碳和甲烷。