More than 15,000 scientists from 184 countries have issued a warning: Mankind must take immediate action to reverse the effects of climate change, deforestation and species extinction before it’s too late. The warning, issued by the Alliance of World Scientists and published in the journal Bioscience, comes on the 25th anniversary of a similar warning from the Union of Concerned Scientists that was titled “World Scientists’ Warning to Humanity”. The new letter, however, has 10 times as many scientists endorsing it. “On the 25th anniversary of their call, we look back at their warning and evaluate the human response by exploring available time-series data,” the paper reads. “Especially troubling is the current trajectory of potentially catastrophic climate change due to rising GHGs from burning fossil fuels (Hansen et al. 2013), deforestation (Keenan et al. 2015), and agricultural production—particularly from farming ruminants for meat consumption (Ripple
15,000 Scientists Issue a “Warning to Humanity”