「海洋ごみ問題の今」を一人一人が考えるきっかけになり、小学校低学年から手にとって理解できる内容で、授業の導入にも最適です。
Faceboo auth is required to view user page.
If you have logged in since, it's automatically executed. If first time, Facebook auth login page will be shown, after your authorization, you can access user page.
