Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.
现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。
2
In the absence of concerted action to save water, the combination of population growth and climate change (bottom) will create scarcity far and wide.
若不加以协同动作来拯救水资源，人口增长和气候改变将会使更多的地方出现水源紧缺。
3
And in the end the skills of the bottom half of the population affect the wages of the top half.