Conservation is the practice of protecting, managing and restoring natural and cultural resources so they persist for present and future generations. It includes efforts to maintain biodiversity, healthy ecosystems, soils and water, sustainable use of resources, and safeguarding of cultural sites and traditional knowledge. Conservation seeks a balance between use and protection and relies on science, policy and community stewardship.

Scope and principles

  • Biodiversity conservation: conserving species, populations, habitats and genetic diversity through in situ and ex situ approaches.
  • Resource conservation: managing forests, fisheries, freshwater and soils for sustainable yields and resilience.
  • Landscape and ecosystem conservation: preventing fragmentation, restoring degraded areas and maintaining ecosystem services.
  • Cultural and built heritage: protecting historic sites, artifacts and living traditions that carry cultural identity.

Methods and practices

  • Establishing protected areas, ecological networks and buffer zones to reduce habitat loss and fragmentation.
  • Restoration ecology: rehabilitating degraded land, wetlands and forests and reintroducing native species where appropriate.
  • Ex situ measures such as seed banks, botanical gardens and managed breeding programs to safeguard genetic resources.
  • Adaptive management, monitoring and research to inform evidence-based decisions and respond to changing conditions.

Conservation uses laws, planning instruments and international agreements to set priorities and regulate use. Economic tools include incentives, payments for ecosystem services and market-based approaches that encourage sustainable practices. Equally important are community-based initiatives and indigenous stewardship, which combine local knowledge with scientific methods and often deliver more resilient outcomes.

Major challenges include habitat loss, pollution, invasive species and climate change, which alter ecological processes and increase uncertainty. Urban expansion and competing land uses require integrated planning. Emerging trends emphasize landscape-scale approaches, restoration at larger scales, inclusive governance and linking conservation with human wellbeing and climate mitigation.

Why it matters: effective conservation sustains clean water, pollination, climate regulation, soil fertility and cultural values, supporting livelihoods and long-term resilience. A key distinction is between preservation—keeping places largely unchanged—and conservation, which often allows sustainable use and active management to maintain ecological and cultural functions.