Wildlife conservation

Wildlife conservation refers to the practice of protecting wild species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems. Major threats to wildlife include habitat destruction, degradation, fragmentation, overexploitation, poaching, pollution, climate change, and the illegal wildlife trade. The IUCN estimates that 42,100 species of the ones assessed are at risk for extinction.

Expanding to all existing species, a 2019 UN report on biodiversity put this estimate even higher at a million species.
It is also being acknowledged that an increasing number of ecosystems on Earth containing endangered species are disappearing.
To address these issues, there have been both national and international governmental efforts to preserve Earth's wildlife.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain