Forest and industrial field with pollution overhead

Od dobrých úmyslů k hluboké dekarbonizaci

NEW YORK – Během příprav na Konferenci Organizace spojených národů o změně klimatu (COP21) v Paříži víc než 150 vlád předložilo plány na snížení uhlíkových emisí do roku 2030. Mnozí pozorovatelé se tážou, zda tyto redukce postačují. Je tu ale ještě důležitější otázka: Poskytne zvolené směřování k roku 2030 základ pro ukončení produkce emisí skleníkových plynů později v tomto století?

Podle vědeckého konsenzu stabilizace klimatu vyžaduje úplnou dekarbonizaci našich energetických soustav a nulové čisté emise skleníkových plynů zhruba do roku 2070. Skupina G7 uznala dekarbonizaci – jediný bezpečný únik od katastrofální změny klimatu – za nejvyšší cíl tohoto století. Řada hlav států skupiny G20 a dalších zemí rovněž veřejně deklarovala záměr jít tímto směrem.

Přesto země na COP21 nedojednávají dekarbonizaci. Jednají o mnohem skromnějších opatřeních do roku 2025 či 2030, nazvaných Zamýšlené národně stanovené příspěvky (INDC). Například INDC Spojených států zavazují USA k tomu, že do roku 2025 sníží emise CO2 o 26-28 % oproti výchozí hladině roku 2005.

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