Until a unesco inventory in 2008 , nobody knew even how many transboundary aquifers existed .

在2008年联合国教科文组织公布详细目录之前，甚至没人知道美国有多少跨境含水层。

On legal regime of the transboundary movements of hazardous wastes .

危险废物越境转移法律制度研究。

The group 's environment ministers had just met to discuss their 2002 agreement on " transboundary haze pollution " and note that their efforts had helped reduce haze .

该组织的环境部长们刚刚开会讨论了2002年签订的“越境烟雾污染”协议，并指出东盟做出的努力减少了霾害的发生。

The united states and finland , the largest donor to the mrc , are among nations urging laos to wait for more scientific data on the likely transboundary impacts .

美国和芬兰作为湄公河委员会最大的两个资助国，也在敦促老挝等待更多的科学数据，研究水坝可能造成的跨境影响。

Recent workshops have included the discussion of appropriate environmental education , innovative water recycling uses , and transboundary resources sharing .

最近的工作致力于讨论合适的环境教育，创新的水循环使用，以及跨边界的资源共享。