Earth ‘vital signs’ reach critical extremes, experts warn unpredictable future

Earth’s vital signs have reached critical levels, warns a 2023 report from Bioscience. Of the 35 key indicators studied, 25 have declined drastically, including CO2 levels and population growth. With record-high temperatures and extreme weather events accelerating, scientists call for immediate transformative actions to combat climate change and restore ecosystems. They stress urgent global policies ahead of the COP29 summit.