translation.en: 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.
translation.zh: 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。