The purpose of this research is to analyze and find out the function and role of Sasi Law in the management of the environment, natural resources and ecosystems in it by the people in Negeri Seith and Negeri Ouw, Central Maluku district, and regulations in Seith and Ouw countries in maintaining the existence of Sasi law. This research method is empirical law, which is a research based on field data by taking data according to the sample and conducting an assessment of positive legal provisions and legal principles. The results of the study show that the implementation of Sasi is currently experiencing degradation because it has not been carried out as the implementation of Sasi was originally, even though Sasi has been considered as part of customary law in each Negeri. The regulation of Sasi is not regulated in a Negeri Regulation so that it binds the community and people in each Negeri, as well as being a guide for the next generation to be maintained.

Article 18B The 1945 Constitution of the Republic of Indonesia recognizes and respects the traditional rights of indigenous community. Article Number 14 of Law Number 12 Year 2011 in conjunction with  Article Number 236 paragraph four (4) of Law Number 23 Year 2014 guarantees the formation of Regional Regulations based on regional characteristic. It is a normative research, using the approach of legislation and conceptual approach. It is necessary to amend Law No. 23 of 2014, especially in relation to the formation of Regional Regulations based on regional characteristics. Law Number 32 Year 2004 along with its implementing regulations and Law Number 23 Year 2014 do not specify the rules for the establishment of Regional Regulations based on regional characteristics.

Introduction: Constitutionally, Indigenous Peoples are 'subjects' of natural resources which are the rights of Indigenous Peoples that have been managed and maintained for generations based on their local wisdom. Indigenous Peoples must be involved in investment activities through the involvement of Indigenous Peoples from the beginning of the planning stage to provide input and other involvement in share ownership of investment or business activities.Purposes of the Research: This research was conducted with the aim of knowing and analyzing the form of fulfillment of the involvement of Indigenous Peoples in the implementation of investment activities.Methods of the Research: The research conducted is normative. For this reason, the problem approaches used are: a statutory approach, a conceptual approach, and a human rights-based approach. The sources of legal materials used consist of primary legal materials and secondary legal materials. And then the legal materials are collected for inventory and used in the analysis of the problems raised.Results of the Research: The fulfillment of the rights of Indigenous Peoples to customary territories and rights to manage natural resources in investment activities has not been fully realized. The government must ensure that the fulfillment of the rights of Indigenous Peoples in investment activities is accommodated and not violated in the preparation of laws and regulations. So that the legal certainty of the involvement of Indigenous Peoples in investment can be fulfilled, in the form of involvement from the planning stage to the implementation of the investment.

Coastal reclamation in several villages in the deep bay of Ambon City has an impact on the environment and causes rejection from the society. Reclamation is a challenge for the Ambon City Government in making efforts to manage coastal areas, in a sustainable manner. In principle, reclamation is a method to restore environmental functions that have been damaged. The issues in this reseach are: what is the impact of reclamation on the people of Ambon City in terms of environmental law? The aim of this research to analyze the impact of reclamation on the people of Ambon City in terms of environmental law. This research uses a normative research with statute approach and conceptual approach. The inventory was conducted towards primary and secondary legal materials and they were then classified. The result of the analysis indicates the arguments to suggest some prescriptions to solve the analyzed problem. Reclamation on the coast of Teluk Ambon and Teluk Dalam Ambon has an impact on the destruction that occurs in mangrove forests, sedimentation, rob floods in certain areas. Supervision by the Ambon City Government has not been optimal to prevent further damage. Management and sustainable use of the environment by humans is very important to ensure the availability of a good environment for future generations.

paya pemajuan, perlindungan, penghormatan, dan pemenuhan terhadap HAM mendapat perhatian penting oleh Komnas HAM saat penyusunan SNP tentang Pembela HAM. Masalah penulisan adalah bagaimana urgensi pengaturan pembela HAM yang berasal dari masyarakat adat di bidang lingkungan hidup dalam peraturan perundang-undangan. Keberadaan Pembela HAM dibutuhkan dengan mendesak dalam perlindungan, pemajuan, penghormatan, dan pemenuhan HAM, karena Pembela HAM di bidang lingkungan hidup, khususnya yang berasal dari masyarakat adat, juga memiliki peran yang sangat signifikan dan berkontribusi nyata dalam memajukan dan melindungi HAM, pada skala lokal, daerah, nasional bahkan internasional. Penelitian ini adalah penelitian normatif, dengan pendekatan perundang-undangan dan pendekatan konseptual. Hasil penelitian menunjukan bahwa keberadaan masyarakat adat sebagai Pembela HAM, berpengaruh terhadap penyelamatan lingkungan dari kerusakan dan pengalihfungsian yang berakibat pada hilangnya hak masyarakat adat atas tanah, hutan dan kepemilikan atas wilayah laur. Pengkajian ini untuk menganalisa urgensi pengaturan pembela HAM khusunya yang berasal dari masyarakat adat di bidang lingkungan hidup dalam peraturan perundang-undangan.