In 1981, we published an article in Science magazine concluding that observed warming of 0.4 degrees Celsius in the prior century was consistent with the greenhouse effect of increasing CO2.
1981. objavili smo članak u časopisu Znanost zaključujući da je opaženo zagrijavanje od 0.4°C u prošlom stoljeću, u skladu s efektom staklenika i povećavanjem CO2.