$51 / ton: Biden Restores the Obama “Social Cost of Carbon”

President Biden has raised the social cost of carbon from Trump’s $8 / ton to the Obama level of $51 / ton. But the real sting is the price tag to be applied to methane ($1500 / ton) and nitrous oxide from fertiliser ($18,000 / ton). And the price may rise – this price rise is seen as an interim measure.…

A 30-year reconstruction of the Atlantic meridional overturning circulation shows no decline

Climate model and paleo-oceanographic research suggests that the AMOC may have been declining for decades or even centuries before this; however direct observations are sparse prior to 2004, giving only “snapshots” of the overturning circulation. Previous studies have used linear models based on upper-layer temperature anomalies to extend AMOC estimates back in time; however these ignore changes in the deep circulation that are beginning to emerge in the observations of AMOC decline.…

UN Shames Australia for a Lack of Climate Ambition

Making big climate pledges was a cheap political win when the goal was way off in the future. But now the first deadlines are approaching, long serving politicians in countries like Australia are in the increasingly embarrassing position of having to explain their total lack of achievement.…