According to W-M-O this is another clear sign that human activities are causing planetary-scale changes on land, at sea, and in the atmosphere, with dangerous and long-lasting consequences for sustainable development and ecosystems.
There are four main indicators that scientists use as yardsticks to measure climate change: greenhouse gas concentrations, sea level rise, ocean heat, and ocean acidification.
All of them are setting new benchmarks in 2021, according to a damning new report from the Worlds Meteorological Organization.
