It is necessary for every country, including the developing countries, to participate in this action.
ご質問ありがとうございます。
"Prime Minister Suga announced that the sale of new gasoline-fueled cars and diesel cars will be forbidden by the year 2030. However, in order to prevent global warming, it is necessary for every country, including the developing countries, to participate in this action."
ご参考に！
アメリカ合衆国 
