Conservation and regeneration
Topic 3.3 examines the major threats facing global biodiversity, including habitat loss, climate change, pollution, overexploitation, and invasive species. Students learn to evaluate the relative significance of each threat and analyse case studies of biodiversity decline.
IB ESS · Topic 3.3
Sub-topics in Topic 3.3
3.3.1Why preserve species and habitats3.3.2Species-based and habitat-based conservation3.3.3A mixed conservation approach3.3.4The Convention on Biological Diversity3.3.5Habitat conservation strategies3.3.6Designing effective reserves3.3.7Rewilding3.3.8Measures that reverse biodiversity decline3.3.9Values and conservation choices