High above, throughout the sky, a constellation of marooned space objects circulate in orbit around the Earth. Of different sizes and natures, those wandering vessels, not so much abandoned as disregarded, rest in a state of limbo, waiting for their fate: be it to crash into another space object, to continuously fragment themselves into smaller parts, or to finally re-enter our planet's atmosphere. Since the number of space debris continues to grow, creating dangers to space activities and astronauts alike, the international community should seriously start to consider alternatives to authorize and legalize orbital cleaning up initiatives, whether conducted by the respective Launching States or not. In that sense, the Law of Salvage, as regulated by Maritime and Admiralty Law, is capable of suggesting an interesting analogy to Space Law, specifically as far as environmental salvage is concerned. Contemporary law of marine salvage states that rescuers who voluntarily assist ships in distress at sea should be rewarded, being entitled to a gratification commeasured with the value of the property saved. According to the 1989 International Convention on Salvage, the traditional principle of "no cure no pay" regarding salvage efforts, which provides that those services do not deserve compensation unless the property is saved, shall be reinterpreted in case of relevant damage to the environment. Indeed, in those extreme situations, expenses undertaken by salvors to prevent a substantial damage of that nature are to be recovered by the owner, irrespective of the success of the rescuing enterprise. Despite the unavoidable particularities of the space activities and the outer space environment, such legal principle could arguably be embraced by Space Law. Considering the international relevance of the current space debris situation, the study of the legal regime applicable to marine salvage may effectively prove to be invaluable to de lege ferenda perspectives for future Space Law regulation on that regard.
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