環境を悪化させる石油生産現場での遊離天然ガス焼却は不当な資源の浪費でもあり、米国はこれに代わる方法を探すべきだ。
Wasted energy p.281
The burning off of gas during oil extraction is environmentally unsound and unjustifiable. The United States should instead be seeking to make use of this natural resource.
doi: 10.1038/495281a