Reducing emissions of the short - lived climate forcers black carbon and tropospheric ozone — soot and smog — has been identified by scientists as the most effective strategy to slow Arctic warming and melting in the near term, forestalling potentially irreversible tipping points such as the melting, while the world works to reduce emissions of GHGs. (earthjustice.org)
At some point, we reach irreversible tipping points that wipe humanity (and maybe all other species) off the planet. (green.blogs.nytimes.com)
Otherwise, in due course, irreversible tipping points cascade into an abyss so deep that there's no way out. (counterpunch.org)