气候变化

Planetary ‘vital signs’ show extent of climate stress — and some hope

Up to 18 of the 31 indicators tracked by a group of scientists reach extremes, but there are positives among the data

At the Tokyo 2020 Olympics, each day records are being set by the dozen. Globally, a different set of records are making history but for the wrong reasons.

The number of so-called “planetary vital signs” hitting new highs and lows, despite the restraint to human activity from the pandemic in the past year, were highlighted in a paper published earlier this week that tracked a set of various indicators related to climate change.

Glaciers have been melting at record pace; sea levels are at an all-time high, and concentrations of carbon dioxide, methane and nitrous oxide in the Earth’s atmosphere have never been so dense, the data show. 

您已阅读20%(640字),剩余80%(2629字)包含更多重要信息,订阅以继续探索完整内容,并享受更多专属服务。
版权声明:本文版权归manbetx20客户端下载 所有,未经允许任何单位或个人不得转载,复制或以任何其他方式使用本文全部或部分,侵权必究。
设置字号×
最小
较小
默认
较大
最大
分享×