Under normal circumstances, it takes perhaps a generation for the birth rate to drop with increasing wealth, whereas carbon emissions go up very quickly.
在通常情况下，伴随着财富增长的生育率下降大约需要一代人的时间来实现，而碳排放则增长极为迅速。
2
The carbon blue mildew alkenes medicine in 2005,2006 year maintains 95% above sensitive rate, in 2007 starts its sensitivity to drop suddenly, in 2008 sensitive rate has 30%;