Carbon dioxide emissions need to fall by the equivalent of a lockdown every two years to save the planet, climate scientists have claimed. The claim derives from a paper in the journal Nature Climate Change titled ‘Fossil CO2 emissions in the post-COVID-19 era’. According to the abstract: Five years after the adoption of the Paris Climate Agreement, growth in global CO2emissions has begun to falter. The pervasive disruptions from the COVID-19 pandemic have radically altered the trajectory of global CO2 emissions. Contradictory effects of the post-COVID-19 investments in fossil fuel-based infrastructure and the recent strengthening of climate targets must be...