An asteroid tracking programme in Hawaii has been dubbed the “Earth’s Last Defence” against potentially catastrophic impacts, the UN has heard ahead of International Asteroid Day marked annually on 30 June.  

The Director of the ILO’s Office for the United States, Kevin Cassidy, sat down with astronomer Ari Heinz to find out more about his job with the programme.

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Dan Dickinson/ UN News | Peace (2026-09-21T05:17:59+00:00) » ‘Earth’s last Defence’ against asteroids. Retrieved from https://www.pea.cx/2020/06/22/earths-last-defence-against-asteroids/.

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HARVARD

Dan Dickinson/ UN News | Peace Monday June 22, 2020 » ‘Earth’s last Defence’ against asteroids., viewed 2026-09-21T05:17:59+00:00,<https://www.pea.cx/2020/06/22/earths-last-defence-against-asteroids/>

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Dan Dickinson/ UN News | Peace - » ‘Earth’s last Defence’ against asteroids. [Internet]. [Accessed 2026-09-21T05:17:59+00:00]. Available from: https://www.pea.cx/2020/06/22/earths-last-defence-against-asteroids/

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" » ‘Earth’s last Defence’ against asteroids." Dan Dickinson/ UN News | Peace - Accessed 2026-09-21T05:17:59+00:00. https://www.pea.cx/2020/06/22/earths-last-defence-against-asteroids/

IEEE

" » ‘Earth’s last Defence’ against asteroids." Dan Dickinson/ UN News | Peace [Online]. Available: https://www.pea.cx/2020/06/22/earths-last-defence-against-asteroids/. [Accessed: 2026-09-21T05:17:59+00:00]

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» ‘Earth’s last Defence’ against asteroids | Dan Dickinson/ UN News | Peace | https://www.pea.cx/2020/06/22/earths-last-defence-against-asteroids/ | 2026-09-21T05:17:59+00:00