Title: Environmental challenges can only be effectively addressed when the risks are well understood greement of principles that reflect the interests of all countries. However, principles may conceal political divisions and fail to resolve the underlying conflicts of interest. So, for example, while governments have agreed the Convention on the Law of the Non-Navigational Uses of International Watercourses, the wording of the convention (for example, on 'equitable and reasonable' use) is often ambiguous and open to competing interpretations. Such ambiguity in in How is thus connected