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HUMAN-MADE ACTIVITIES
One major cause of the decline of many animals and plants is habitat destruction, which is primarily due to overpopulation. As human populations increase, the demand for housing and other infrastructure increases; people resort to deforestation to make way for more human settlements, factories, and farms. This has a profound impact on animals, as they lose their habitats. Also, human activities such as burning fossil fuels are releasing huge amounts of CO2 and other greenhouse gases into the atmosphere, leading to global warming and climate change. This results in the rise in temperature and sea levels, which have severe effects on many species, including disrupted breeding and feeding patterns, suffering from more frequent and extreme natural disasters, and increased risk of disease. Overfishing and poaching are also significant threats to species. Specifically, overfishing is depleting fish populations and endangering the survival of marine animals, while poaching is threatening certain endangered species, such as elephants and rhinos, which are hunted for their ivory, just for their personal interest.
Habitat destruction, burning fossil fuels, overfishing, and poaching are the main factors posing a threat to the biodiversity of certain plants and animals in the wild.