Cika wannan jumla: Bayan nasarar
Taron Canjin Yanayi na Majalisar Dinkin Duniya a Paris (tsakiyar Disamba 2015), Stern ya bayyana da kyakkyawan fata, yana cewa, "Idan muka yi wannan daidai, zai fi ƙarfin juyin juya halin masana'antu. Ana ci gaba da tseren kore". Ya kuma ce