The aim of this research is to assess the impact of the economic shocks of supply and demand generated by the COVID-19 crisis on the climate sphere at the level of the Member States of the European Union. In this respect, a macroeconomic model was used to obtain firstly an estimate of the measure of demand shock and secondly an estimate of the supply of the economy. These milestones were eventually used to estimate the impact of the two economic shocks on the level of greenhouse gas emissions. The obtained results show that both the shock from the aggregate demand area and that from the aggregate supply area had the effect of decreasing the level of greenhouse gases, leading to a positive effect on the environment. From a quantitative point of view, the model estimates show that, as a result of the manifestation of the two cumulative shocks, the level of greenhouse gas emissions could decrease by about 10%.