1·13%的美国人在65岁以上；这个数字预计到2030年会达到22%。
13% of Americans are over 65; this number is projected to reach 22% by the year 2030.
—— 《柯林斯英汉双解大词典》
2·中国的温室气体排放总量将在2030年之前达到峰值。
China will bring its total greenhouse gas emissions to a peak before 2030.
3·从2010年到2030年，美国将通过移民使其人口增加20%。
The USA will increase, from 2010-2030, its population by 20% through immigration.
4·他们同意在2030年前将海运的碳排放量减少40%，并预计到2050年实现零碳海运。
They agreed to cut carbon emissions from shipping by 40 percent by 2030. And by 2050, they expect zero carbon shipping.
5·据新华社报道，该计划旨在从2020年到2030年间，将0-18岁儿童的肥胖增长速度降低70%。
The plan aims to reduce the growth of fatness among children aged 0-18 years by 70 percent from 2020 to 2030, Xinhua reported.
6·作为峰会的一部分，全国各地的数百所学校签署了“让我们走向零碳”这一活动，旨在2030年之前实现零碳排放。
As part of the summit, hundreds of schools across the country are signing up to the Let's Go Zero activity, aiming to become carbon-zero by 2030.
7·如果不加以解决，到2030年这将翻倍。
Unaddressed, this will double by 2030.
8·报告预测，到2030年，这一数字将翻一番。
It projected that the number would double by 2030.
9·到2030年，德国计划安装超600万个充电站。
By 2030, Germany plans on having over 6 million charging stations installed.
10·《纽约时报》报道称，大部分的大堡礁已经死亡，到2030年可能会消失。
The New York Times reported that large parts are already dead, and the reef system might be gone by 2030.