But when Seth Young of Indiana University in Bloomington did a detailed analysis of carbon-13 levels in rocks formed at the time, the picture that emerged was very different.
然而，当印地安那大学伯明顿分校的Seth Young对在此时期形成的岩石做c - 13的详细分析时，所得到的图片却不一样。
“Nobody understands how a carbon market of US$64 billion can be created in the developed countries but that no funds can be found to prevent the annual deforestation of 13 million hectares,” he said.
“没有人明白如何能在发达国家建立一个640亿美元的碳市场以抵消全球变暖，但却找不到资金来防止每年1300万公顷的森林被砍伐，”他说。
The potential for carbon sequestration in the soil is estimated at 5.5 gigatons annually with good land management practices, equivalent to 13% of current emissions from all sectors.
据估计，在良好的土地管理实践中，每年土壤中碳潜在的封存量是55亿吨，相当于来自所有部门的温室气体排放量的13%。
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