1110Japan has joined the EU and G7 in banning coal imports from Russia – in the first unified attack on the country’s energy sector amid its ongoing invasion of Ukraine. Japan is the world’s third-largest coal importer after India and China, with Russia counting for around 10% of its imports. A study released by the UK Government has highlighted that hydrogen gas could be twice as powerful as a greenhouse gas as previously thought. In a 75-page report, entitled Atmospheric Implications of Increased Hydrogen Use, it estimated that global warming potential of one ton of hydrogen over 100 years was equivalent to between 6 tons and 16 tons of CO2, where previous figures were given as 5.8 tons. While the…