They are not yet gone. But for thousands of species, the Earth is already holding its breath. A new review published in Nature Reviews Earth & Environment confirms what conservationists have long suspected: more than 10,000 species now sit on the precipice, listed on the IUCN, the global wildlife conservation authority, as critically endangered (CR) — the final designation before vanishing from the wild entirely. Founder's Brief by Rhett A. Butler #news #conservation