今朝の日経新聞「常識を疑う」 コラム。面白い。このコラムの「常識を疑う」と言うんじゃなくて、コラムの題名が「常識を疑う」なのだ。リサイクルをやみくもに推進することに批判的な武 田教授はこう発言する。「エコロ」たち必読。 抜粋： リサイクルはゴミの減量につながっていない。ペットボトルを２００３年度は２１万トン回収したが（９７年度比２１万 トン増）、生産量は９７年度比４４万トン増えてゴミは減っていない。 燃えるゴミと一緒に回収して焼いて発電したり、廃熱を利用する方が合理的。リサイクル費用は年間７０００億円にも 上っている。費用対効果の面で問題。 リサイクルによって資源を無駄にしている。ペットボトルの場合、分別や運搬、再生加工に必要なエネルギーは石油換算 で年間１６０万トン。これだけの石油を原材料に使えば、再生するより約３倍のペットが生産できる。つまり同じ量のペットを作るのに石油を三倍使ってい
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