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De-Extinction: Benefits and Concerns

Apr 25, 2025

Dire Wolves and Woolly Mammoths: Concerns About De-Extinction

Overview

  • Colossal Biosciences claims to have resurrected dire wolves.
  • Three pups, genetically modified grey wolves, possess traits of extinct dire wolves.
  • Colossal aims to reintroduce lost species into their habitats.

Key Points

Colossal's Mission

  • Valued at $10 billion, backed by notable investors.
  • Focus on using de-extinction to improve ecosystem stability, biodiversity, and combat climate change.
  • Plans to work on other extinct species like woolly mammoths, Tasmanian tigers, and dodos.

Scientific Concerns

  • Many scientists criticize Colossal's approach, seeing it as a distraction from conserving existing species.
  • Concerns that de-extinction could lead to neglect of current environmental issues.
  • Critics argue it offers false hope and may result in more species loss.

The Debate on Biodiversity

  • Biodiversity is threatened by human activities: habitat destruction, pollution, and climate change.
  • Colossal argues de-extinction will benefit conservation.
  • Experts question how resurrected species will address current biodiversity threats.

Evidence and Claims

  • Woolly mammoths are said to help with climate change resilience by maintaining permafrost.
  • Critics find insufficient evidence to support claims on carbon reduction.
  • Studies indicate current ecosystems differ significantly from those in the Pleistocene era.

Ethical and Practical Considerations

  • Concerns about the welfare of elephants used as surrogates for woolly mammoths.
  • Ethical implications of keeping intelligent animals in captivity for experiments.

Conservation vs. De-extinction

  • Experts stress the importance of addressing the root causes of extinction.
  • Landscape-level conservation is more beneficial than focusing solely on individual species.
  • Genetic techniques used by Colossal may be more impactful in conservation efforts for existing species.

Cost and Effectiveness

  • High costs associated with de-extinction efforts compared to proactive conservation.
  • Addressing extinction drivers is essential; de-extinct species could face re-extinction.
  • Colossal claims to also invest in endangered species like red wolves and elephants.

Alternate Approaches

  • Experts suggest Colossal could focus on environmental issues beyond de-extinction.
  • Innovations in agriculture and sustainable practices could yield greater conservation benefits.

Conclusion

  • The debate on de-extinction highlights the need for a balanced approach to conservation.
  • Genetic modification offers potential but must be paired with habitat protection and ecosystem health.