Environmental carrying capacity is the maximum load that an ecosystem can support without being destroyed.
Tourism carrying capacity refers to 'the maximum number of people that a tourist destination can support, without causing any destruction of the environment and an unacceptable decrease in the quality of visitors’ satisfaction.'
As more people spend time outdoors, or when there is a weak awareness of environmental conservation, increased harassment or negative impact would be caused to ecologies, habitats, landscapes, historic sites, etc. Once the carrying capacity is exceeded, destruction or degradation of the environment may be resulted. Examples include: