Planetary Boundaries are proposed scientific limits to planetary processes that, if transgressed, pose a high risk of irreversible and undersirable change in the Earth System, tipping it out of the safe Holocene state. There are two core planetary boundaries and staying within safe levels of change can be seen as challenges of the century. One of these planetary boundaries is ________, for which limits have been internationally agreed upon in the Paris Agreement.

A. Ozone Depletion

B. Biodiversity

C. Climate Change

D. Novel Entities