Global commons

Global commons is a term typically used to describe international, supranational, and global resource domains in which common-pool resources are found. Global commons include the earth's shared natural resources, such as the high oceans, the atmosphere and outer space and the Antarctic in particular. Cyberspace may also meet the definition of a global commons.

Definition and usage

"Global commons" is a term typically used to describe international, supranational, and global resource domains in which common-pool resources are found. In economics, common goods are rivalrous and non-excludable, constituting one of the four main types of goods. A common-pool resource, also called a common property resource, is a special case of a common good (or public good) whose size or characteristics makes it costly, but not impossible, to exclude potential users. Examples include both natural or human-made resource domains (e.g., a "fishing hole" or an irrigation system). Unlike global public goods, global common-pool resources face problems of congestion, overuse, or degradation because they are subtractable (which makes them rivalrous).

The term "commons" originates from the term common land in the British Isles. "Commoners rights" referred to traditional rights held by commoners, such as mowing meadows for hay or grazing livestock on common land held in the open field system of old English common law. Enclosure was the process that ended those traditional rights, converting open fields to private property. Today, many commons still exist in England, Wales, Scotland, and the United States, although their extent is much reduced from the millions of acres that existed until the 17th century. There are still over 7,000 registered commons in England alone.

The term "global commons" is typically used to indicate the earth's shared natural resources, such as the deep oceans, the atmosphere, outer space and the Northern and Southern polar regions, the Antarctic in particular.

According to the ''World Conservation Strategy'', a report on conservation published by the International Union for Conservation of Nature and Natural Resources (IUCN) in collaboration with UNESCO and with the support of the United Nations Environment Programme (UNEP) and the World Wildlife Fund (WWF):

Today, the Internet, World Wide Web and resulting cyberspace are often referred to as global commons. Other usages sometimes include references to open access information of all kinds, including arts and culture, language and science, though these are more formally referred to as the common heritage of mankind.

Management of the global commons

The key challenge of the global commons is the design of governance structures and management systems capable of addressing the complexity of multiple public and private interests, subject to often unpredictable changes, ranging from the local to the global level. As with global public goods, management of the global commons requires pluralistic legal entities, usually international and supranational, public and private, structured to match the diversity of interests and the type of resource to be managed, and stringent enough with adequate incentives to ensure compliance. Such management systems are necessary to avoid, at the global level, the classic tragedy of the commons, in which common resources become overexploited. Also available her

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There are several key differences in management of resources in the global commons from those of the commons, in general. There are obvious differences in scale of both the resources and the number of users at the local versus the global level. Also, there are differences in the shared culture and expectations of resource users; more localized commons users tend to be more homogeneous and global users more heterogeneous. This contributes to differences in the possibility and time it takes for new learning about resource usage to occur at the different levels. Moreover, global resource pools are less likely to be relatively stable and the dynamics are less easily understood. Many of the global commons are non-renewable on human time scales. Thus, resource degradation is more likely to be the result of unintended consequences that are unforeseen, not immediately observable, or not easily understood. For example, the carbon dioxide emissions that drive climate change continue to do so for at least a millennium after they enter the atmosphere and species extinctions last forever. Importantly, because there are significant differences in the benefits, costs, and interests at the global level, there are significant differences in externalities between more local resource uses and uses of global-level resources.

Several environmental protocols have been established (see List of international environmental agreements) as a type of international law, "an intergovernmental document intended as legally binding with a primary stated purpose of preventing or managing human impacts on natural resources." International environmental protocols came to feature in environmental governance after trans-boundary environmental problems became widely perceived in the 1960s.Haas, Keohane and Levy (1993). ''Institutions for the Earth: Sources of effective international environmental protection.'' Massachusetts Institute of Technology. Following the Stockholm Intergovernmental Conference in 1972, creation of international environmental agreements proliferated.Zürn, Michael (1998). "The Rise of International Environmental Politics: A Review of Current Research." ''World Politics'', 50(4):617-649. Due to the barriers already discussed, environmental protocols are not a panacea for global commons issues. Often, they are slow to produce the desired effects, tend to the lowest common denominator, and lack monitoring and enforcement. They also take an incremental approach to solutions where sustainable development principles suggest that environmental concerns should be mainstream political issues.

The global ocean

The global or world ocean, as the interconnected system of the Earth's oceanic (or marine) waters that comprise the bulk of the hydrosphere, is a classic global commons. It is divided into a number of principal oceanic areas that are delimited by the continents and various oceanographic features. In turn, oceanic waters are interspersed by many smaller seas, gulfs, and bays. Further, most freshwater bodies ultimately empty into the ocean and are derived through the Earth's water cycle from ocean waters. The Law of the Sea is a body of public international law governing relationships between nations in respect to navigational rights, mineral rights, and jurisdiction over coastal waters. Maritime law, also called Admiralty law, is a body of both domestic law governing maritime activities and private international law governing the relationships between private entities which operate vessels on the oceans. It deals with matters including marine commerce, marine navigation, shipping, sailors, and the transportation of passengers and goods by sea. However, these bodies of law do little to nothing to protect deep oceans from human threats.

In addition to providing significant means of transportation, a large proportion of all life on Earth exists in its ocean, which contains about 300 times the habitable volume of terrestrial habitats. Specific marine habitats include coral reefs, kelp forests, seagrass meadows, tidepools, muddy, sandy and rocky bottoms, and the open ocean ( pelagic) zone, where solid objects are rare and the surface of the water is the only visible boundary. The organisms studied range from microscopic phytoplankton and zooplankton to huge cetaceans (whales) 30 meters (98 feet) in length.

At a fundamental level, marine life helps determine the very nature of our planet. Marine life resources provide food (especially food fish), medicines, and raw materials. It is also becoming understood that the well-being of marine organisms and other organisms are linked in very fundamental ways. The human body of knowledge regarding the relationship between life in the sea and important cycles is rapidly growing, with new discoveries being made nearly every day. These cycles include those of matter (such as the carbon cycle) and of air (such as Earth's respiration, and movement of energy through ecosystems including the ocean). Marine organisms contribute significantly to the oxygen cycle, and are involved in the regulation of the Earth's climate. Shorelines are in part shaped and protected by marine life, and some marine organisms even help create new land.

The United Nations Environment Programme ( UNEP) has identified several areas of need in managing the global ocean: strengthen national capacities for action, especially in developing countries; improve fisheries management; reinforce cooperation in semi-enclosed and regional seas; strengthen controls over ocean disposal of hazardous and nuclear wastes; and advance the Law of the Sea. Specific problems identified as in need of attention include Current_sea_level_rise.html"__"title="sea_level_rise.html"_;"title="Current_sea_level_rise">Current_sea_level_rise">rising_sea_levels_
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