With the increase in population and the development of industry, litter is everywhere.

随着人口增长和工业发展，垃圾到处都是。

youdao

Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara.

他们的迁徙可能是人口增加引起的，这一人口增长是由人们逃离撒哈拉沙漠的干燥或干涸的迁移造成的。

youdao

Our earth is becoming more and more polluted because of the rapid increase in population.

由于人口的快速增长，我们的地球污染越来越严重。

youdao

With the sudden increase in population in some villages, there is not enough food to feed everyone.

VOA: standard.2009.10.05

Only four of the 56 species studied in the UK Butterfly Monitoring Scheme saw an increase in population size.

BBC: Butterflies suffered in cold and wet 2012, says charity

However, unlike Region 1, the increase in population in this area is matched by a corresponding increase in school enrolment.

UNESCO: Gambia: Report: Part II: Analytic Section: cont. 1

Florida followed with two more votes after a 17.6% increase in population.

FORBES: Why Swing State Voters From Ohio Are Easier To Find -- In Florida