Japan is one of many Asian countries, so we should contribute to the world by becoming actively involved in environmental issues.
この場合、次のような言い方ができますよ。
ーJapan is one of many Asian countries, so we should contribute to the world by becoming actively involved in environmental issues.
「日本はアジア諸国の一員なので、環境問題に積極的に関わることで世界に貢献するべきだ」
to contribute to the world「世界に貢献する」
environmental issues「環境問題」
ご参考まで!
As a member of Asia, Japan should contribute to the world.
As a member of Asia, Japan should contribute to the world.
Japan is part of the Asian community and should make a global contribution.
「日本はアジアの一員として、世界に貢献すべきです」
・member of Asia / part of Asia「アジアの一員、アジアの一部」
community という言葉を使うと、より「連帯感」のある響きになります。