Conservation biology aims to document earth's biological diversity, to understand how humans impact this diversity, and to explore potential solutions to biodiversity decline. The major current threat...Conservation biology aims to document earth's biological diversity, to understand how humans impact this diversity, and to explore potential solutions to biodiversity decline. The major current threats to biodiversity include habitat loss, overexploitation, invasive species, pollution, and climate change - habitat loss is the most important, particularly in terrestrial habitats, and has lead to around 50% of all biodiversity loss.