whereas, according to the scientific evidence presented in the 2014 International Panel on Climate Change’s (IPCC) Fifth Assessment Report (AR5), the warming of the climate system is unequivocal, climate change is occurring and human activities have been the predominant cause of the warming observed since the middle of the 20th century, the widespread and substantial climate change impacts of which have already become evident in natural and human systems on all continents and across the oceans;
ker je v skladu z znanstvenimi dokazi, ki so bili predloženi v 5. ocenjevalnem poročilu Medvladnega foruma o podnebnih spremembah (IPCC) iz leta 2014, segrevanje podnebnega sistema neizpodbitno, podnebne spremembe obstajajo, človekove dejavnosti pa so glavni vzrok segrevanja, ki se zaznava od sredine 20. stoletja, njegove obsežne in pomembne posledice na podnebne spremembe pa so že vidne v naravnih in človeških sistemih na vseh celinah in v oceanih;