World ‘teetering on edge’ of breaching Paris Agreement, scientists say

Dans une motion au Bundestag de juin 2018, l’AFD s’appliquait à réviser complètement le savoir climatologique acquis : le CO2 est en fait un « gaz de vie » trop peu répandu et aucune trace de réchauffement anthropogénique n’a pu être démontrée par les recherches empiriques. « La problématique climatique n’existe donc pas16

Climate change was pushing ocean temperatures beyond many species’ tolerance. In 1998, a so-called global bleaching event, caused by a spike in water temperatures, killed more than fifteen percent of corals worldwide. Another global bleaching event took place in 2010. Then, in 2014, a marine heat wave set in and didn’t let up for almost three years

of succeeding, according to a recent study based on current emissions trends, are one in 20. If by some miracle we are able to limit warming to two degrees, we will only have to negotiate the extinction of the world’s tropical reefs, sea-level rise of several meters and the abandonment of the Persian Gulf. The climate scientist James Hansen has cal

In the worst case scenario, runaway global warming of 6°C+ super-heats the planet, wiping out humanity and most complex life forms.

What can we do during the coming decades? We must start with the recognition of fundamental realities. We used to consider a 2°C increase in average global temperature as a relatively tolerable maximum, but in 2018 the IPCC lowered that to just 1.5°C—but by 2020 we have already added two-thirds of that maximum preferable temperature rise. Moreover,