Aufruf von über 11.000 Wissenschaftler*innen weltweit, 28.7.2021 (engl. Originalfassung)
In 2019, Ripple and colleagues (2020) warned of untold suffering and declared a climate emergency together with more than 11,000 scientist signatories from 153 countries. They presented graphs of planetary vital signs indicating very troubling trends, along with little progress by humanity to address climate change. On the basis of these data and scientists’ moral obligation to “clearly warn humanity of any catastrophic threat,” they called for transformative change. Since the article's publication, more than 2,800 additional scientists have signed that declaration of a climate emergency; in addition, 1,990 jurisdictions in 34 countries have now formally declared or recognized a climate emergency. But, at the same time, there has been an unprecedented surge in climate-related disasters since 2019, including devastating flooding in South America and Southeast Asia, record shattering heat waves and wildfires in Australia and the Western United States, an extraordinary Atlantic hurricane season, and devastating cyclones in Africa, South Asia, and the West Pacific. There is also mounting evidence that we are nearing or have already crossed tipping points associated with critical parts of the Earth system, including the West Antarctic and Greenland ice sheets, warm-water coral reefs, and the Amazon rainforest.
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On the basis of recent trends in planetary vital signs, we reaffirm the climate emergency declaration and again call for transformative change, which is needed now more than ever to protect life on Earth and remain within as many planetary boundaries as possible. The speed of change is essential, and new climate policies should be part of COVID-19 recovery plans. We must now join together as a global community with a shared sense of urgency, cooperation, and equity.
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