African rhino populations are under severe threat from poachers, who kill rhinos to obtain horn for illegal trade. Over the 9-year period between 2008 and 2016, an estimated 7,124 rhinos were poached in Africa, with the main focus of this killing occurring in South Africa, where 1,054 rhinos were killed during 2016 alone. The poaching continues at an unsustainable rate, despite the international trade ban on horn and numerous law enforcement interventions from range state countries. One strategy proposed to reduce the poaching is the implementation of a legal international trade in rhino horn through the sustainable collection and sale of horn. This idea is controversial and has divided governments and conservationists worldwide, with one of the main concerns being that there may not be enough horn to satisfy the markets. Although the idea of trade is not new, there are no published estimates of how much horn could be provided on a sustainable basis. Based on recent rhino population estimates and feedback from private rhino owners, we estimate the annual potential supply of horn that could be obtained within South Africa from four sources: natural mortalities, dehorning, trophy hunting and stockpiled horn. Using different scenarios of horn production we show that the mass of horn that could be obtained varies from 5,319-13,356 kg per year.

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March 13, 1973 Master and Servant — Negligence — Safe system of work — Eyes, protection of — Forseeable risk — Workman required to carry out work outside ambit of normal duties in circumstances of danger without proper instruction or supervision — Workman losing eye — Whether negligence — Whether risk of injury to workman reasonably forseeable by employer.

INTRODUCTIONInternal and external factors are presently inspiring a resurgence of interest in constitutionalism. This interest goes beyond the purely parochial concerns of traditional constitutional doctrine. We are experiencing a transition to a form of internationalization which is distinct from what has gone before. Globalization and europeanization are more than simply fashionable intellectual currency. They are impacting significantly on all areas of legal scholarship. The architecture of legal discourse is altering to reflect this and in the process new sites of constitutional contestation are opening up. Multi-layered governance is a reality which few can afford to neglect. This process will only intensify in the years to come. The title of this collection captures what we see as an exciting time for those prepared to engage with these trends on an inclusive basis.Internally, competing claims to recognition by a variety of excluded and oppressed groups have challenged some of the old stories about constitutional traditions. These groups seek to expose the partial and distorted nature of concepts which claim universality in the constitutional state. In practice many of these 'internal' disputes are now effectively internationalized and thus problematize any simple notion of 'inside/outside'. New forms of regional co-operation have raised the spectre of a postnational constitutionalism which is rightly suspicious of the loaded language of the past. As the collection demonstrates, there are attempts to respond at the national level to these transnational processes. For example, the 'third way' proposed by 'new Labour' in Britain confronts these and the concept has clear implications for areas as diverse as: the voluntary sector; corporate governance; and devolutionary settlements. At the micro-level mediation raises familiar debates about the nature of the processes of constitutionalism. In particular, the work renews the informalism/formalism debate. This maps onto broader themes in, for example, regulatory law where proceduralization is discussed in response to the problematization of law's role.