Global warming is because CO2 is large. Do not use too much air conditioner , a good thing .
間違っていたらすいません…
「 地球温暖化は、二酸化炭素が多いからです。エアコンを使いすぎないことは、良いことです。」だと思います。参考程度に〜♪
Global warming is a serious issue, these days. In order to deal with the issue, we have to reduce CO2 emissions by using efficient measures such as using public transportations instead of using private cars.
ありがとうございます！