Sent_en: 2zh According to CSIRO research scientist Dr Mike Raupach, 7.9 billion tonnes of carbon were emitted into the atmosphere as carbon dioxide in 2005 - a doubling in the rate of increase since 1990 - and the rate of increase continues to accelerate.
Sent_yy: 据研究组织科学家迈克·劳帕赫博士称，2005年，有79亿吨的碳以二氧化碳的形式排放到大气中，增长速度是1990年的两倍，而且增长速度还在持续加快。