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。
3
Researchers can still account for nearly every drop of water and watt of sunlight, track parts-per-billion flows of carbon and oxygen, and monitor every organism.