translation.da: Disse klimaændringer har allerede haft en mærkbar indvirkning på mange natursystemer, herunder hav- og jordbaserede økosystemer, f.eks. timingen af biologiske hændelser og fordelingen af dyr- og plantearter.
translation.en: These climatic changes have already had noticeable effects on many natural systems, including marine and terrestrial ecosystems, such as the timing of seasonal biological events and the distribution of animal and plant species.