The major event of the year 2022 was Russia's unjustified invasion of Ukraine, which led to a historic increase in gas and electricity prices in Europe. Following these events, measures to strengthen security of supply and energy sovereignty were taken in addition to those to accelerate the energy transition. Carbonfree electricity production technologies have progressed, but despite this, greenhouse gas (GHG) emissions have continued to increase. The summer of 2023 was one of the hottest in history.