James Lovelock had recently discovered, during a cruise in the South Atlantic in 1971, that almost all of the CFC compounds manufactured since their invention in 1930 were still present in the atmosphere.
James Lovelock baru-baru ini menemukan, saat melakukan pelayaran di Atlantik Selatan pada tahun 1971, bahwa hampir semua senyawa CFC yang diproduksi sejak penemuan mereka pada tahun 1930 masih terdapat di atmosfer.