Space debris threatens to destroy valuable space infrastructure, but damages from debris are not an inevitability. The scientific community has ideas for how to prevent the creation of new debris and limit the impact of pre-existing debris, but it will take government action to see that vision through. This essay unpacks how we know what we know, in service of ultimately discussing how policy-makers can use predictions of the long-term risks posed by satellites and debris on the orbital environment to more effectively prescribe behavior for operators. Financial incentives for sustainability, including taxation and cap-and-trade systems, have the potential to greatly benefit the safety and reliability of space missions, but they carry a variety of political and economic challenges, particularly at the international level. Now is a critical time to determine a policy strategy for debris management, because negotiations in the near-term may set valuable precedents for controlling the next century of debris proliferation.

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