India, Sept. 26 -- New report finds seven of nine planetary boundaries now transgressed

Ocean acidification enters the danger zone for the first time

Atmospheric CO has reached 423 ppm, nearing the high-risk threshold of 450 ppm

Extinction rates remain 10 times higher than safe levels, biosphere integrity in steep decline

Forests, freshwater and nutrient cycles continue to deteriorate despite slowing deforestation

Humanity has now breached seven of the nine planetary boundaries that keep the Earth habitable, scientists warn, with ocean acidification joining climate change and biodiversity loss in the danger zone for the first time, according to the latest Planetary Health Check (PHC) report. Six boundaries had already been crossed by...