The risk from large satellites hitting Earth are low, but not zero, and the world needs to do more to ensure the safe disposal of space infrastructure.
The decision to withdraw from the Paris agreement may restrict the US from using climate security rationales to inform grand strategy and foreign policy.
Whether or not President Trump withdraws the United States from the Paris Agreement is less important than how other countries respond to his decision.
WHO’s survival will depend on the incoming DG's ability to improve its reputation and raise core funding from national governments, particularly the US.
2017 will pose more sharply than at any time since the fall of the Berlin Wall the question of what Russia wants from the United States and the world system more broadly.