Japan’s effort to shield itself from President Donald Trump’s tariffs is facing a new backlash, with environmental groups warning that US projects tied to Tokyo’s investment pledge could generate greenhouse gases equal to around 20 per cent of Japan’s annual emissions. The Japanese government agreed to invest 5.7 trillion yen (US$35.6 billion) in the three projects as part of the first round of spending on US infrastructure in return for Trump’s tariffs being suspended. In total, the bilateral...