Planetary Defense: Exploring Social and Ethical Considerations

1.20.2025

This blog post is designed to inspire students studying law or economics by highlighting how their area of study can intersect with planetary defense. While the examples below offer a starting point, we encourage proposals that explore other ideas and approaches. Additionally, students are not required to submit a proposal directly related to their degree focus. 

Planetary defense extends beyond scientific and technical challenges, encompassing profound questions about humanity’s responsibilities and values. Addressing these questions requires a thoughtful examination of how asteroid risks and defense strategies intersect with societal norms, ethical principles, and global equity.

Key social and ethical aspects of planetary defense:

  1. Global Equity in Planetary Defense
    • Ensuring that planetary defense efforts address the needs of vulnerable populations.
    • Addressing disparities in funding, resources, and decision-making power among nations.
  2. Ethical Decision-Making
    • Evaluating the ethical implications of asteroid deflection strategies, including potential unintended consequences.
    • Considering who has the authority to make decisions about asteroid mitigation actions and why.
  3. Risk Communication and Public Trust
    • Building public trust through transparent and inclusive communication about asteroid risks and planetary defense plans.
    • Addressing misinformation and fostering informed decision-making among diverse audiences.
  4. Prioritization of Threats
    • Exploring the criteria for prioritizing which asteroids to monitor and mitigate.
    • Balancing short-term risks with long-term preparedness efforts.
  5. Post-Impact Recovery and Ethics
    • Developing equitable policies for distributing aid and resources after an asteroid impact.
    • Addressing ethical questions about compensation and rebuilding efforts for affected populations.
  6. Cultural Perspectives on Space and Risk
    • Examining how different cultures perceive the risks associated with asteroids and space exploration.
    • Incorporating diverse worldviews into planetary defense strategies.
  7. Environmental and Space Ethics
    • Considering the environmental impact of planetary defense actions, such as asteroid deflection or destruction.
    • Exploring ethical frameworks for interacting with celestial bodies.
  8. Intergenerational Responsibility
    • Addressing humanity’s obligation to protect future generations from asteroid threats.
    • Balancing immediate needs with long-term planetary defense investments.

Resources for Further Exploration

  • Equity in Planetary Defense Policies: Explores fairness in allocating planetary defense resources globally. New Space Economy
  • Ethical Dimensions of Space Exploration and Defense: Addresses ethical concerns in planetary defense and space activities. Brill
  • Global Challenges for Planetary Defense Governance: Examines governance issues in addressing asteroid risks. SSRN
  • Cultural Perspectives on Risk: Exploring Risk Perception and Attitudes Across Societies: Insights into how different cultures view space threats and opportunities. Dave Adamson
  • A​​bsolute Prioritization of Planetary Protection, Ethics, and Avoiding Imperialism in All Future Science Missions: A Policy Perspective: Explores the moral obligations to future generations in space-related decision-making. AAAS

Geoengineering and Beyond – Planetary Defense, Space Debris, and SETI: Analyzes the ecological effects of asteroid mitigation strategies. Martin Beech