温暖化ガスの削減には、二酸化炭素を出さない「水素エネルギー」の活用も必要。 ネックは高コスト。技術開発を進めて、コスト低減を進めてほしいです。 #水素エネルギー To reduce greenhouse gases, it is also necessary to utilize "hydrogen energy" that does not emit carbon dioxide. The neck is expensive. I would like you to proceed with technological development and reduce costs. おすすめの本…