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Model of sustainable land management (study at Bukit Sepuluh Ribu area of Bungursari Sub-District, Tasikmalaya City, West Java) Dadan Ramdhani; Suyud Warno Utomo; Hasrol Thayib; Yuki Wardhana
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 3, No 2 (2019)
Publisher : Badan Kerjasama Pusat Studi Lingkungan (BKPSL) se-Indonesia bekerjasama dengan Pusat Penelitian Lingkungan Hidup IPB (PPLH-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36813/jplb.3.2.346-353

This study is associated with the increased pressure on hill resources due to land conversion that causes environmental degradation and leads to environmental unsustainability. The evenly spread hill known as Bukit Sepuluh Ribu, is a source of community life. The hill formed by the eruption of a volcano, has a land cover, namely close to forest vegetation. The study location is in Bukit Sepuluh Ribu area that has ecological, hydrological, geological and aesthetic environmental function. The concept of community empowerment through Agro-ecosystem can be a solution, thus the utilization of the hill is economically profitable and environmentally sustainable. There are land use unsuitability referring to the existing spatial plan (682.9 Ha), namely high densely settlement area (264.67 Ha), other agriculture (359.21 Ha) and mining areas (58.51 Ha), Through the concept of appropriate community empowerment in accordance with the rules and typology of hill areas can provide the potential benefits of ecosystems and produce products of economic value without damaging them. The concept of empowerment through dryland agro-ecosystem by combining forest-based agriculture activities is one of the solutions to the problem of land management.

Strategies for Accelerating Sustainable Drinking Water Pipeline Utilization Eddy Rachmad; Ahyahudin Sodri; Yuki MA. Wardhana
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 14, No 1 (2025): February 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i1.57-70

Uncontrolled and excessive use of groundwater leads to economic, social, and environmental impacts. This study investigated factors influencing the low willingness to utilize piped water. The research was conducted in Duren Sawit Village, East Jakarta. The study focused on the sources of household clean water and the factors affecting the low utilization of piped water. A qualitative research approach was employed through in-depth interviews with key informants selected using purposive sampling, and the problem was analyzed using a fishbone diagram. The study found 81% of households use groundwater, only 9% use piped water, and 10% use both sources. The findings reveal that 25% of the households using piped water still rely entirely on groundwater. The low utilization of piped water was influenced by several factors, including socio-economic conditions, environmental behavior, groundwater quality, performance of PAM Jaya, and groundwater regulations for household usage. Based on the analysis, strategies for accelerating piped water utilization were proposed, including socialization and education on groundwater conservation, quality of groundwater, improvement of PAM Jaya performance, and changes in regulations regarding groundwater use for household. Environmental behavior is identified as the primary factor influencing the high use of groundwater. Several strategies involving stakeholders are necessary to promote the use of piped water among households. Keywords: Environmental behaviour, Ground water, Ground water regulation, Piped water, Socio economic.

Willingness and Ability to Pay for Renewable Energy in Jakarta Prihantoro, Whidas; Wardhana, Yuki Mahardhito Adhitya; Hamzah, Udi Syahnoedi
Jurnal Ilmu Lingkungan Vol 23, No 4 (2025): July 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.4.937-949

The Indonesian government is firmly committed to achieving Net Zero Emission (NZE) by 2060. This involves transitioning the electricity sector by progressively replacing fossil fuels with renewable energy sources. The goal is to have a renewable energy mix of at least 23% by 2025 and at least 31% by 2050. This commitment applies to all provinces in Indonesia, including DKI Jakarta Province. This study aims to analyze the willingness and ability to pay DKI Jakarta Province residents for potential changes in energy prices resulting from an energy transition that increases the renewable energy mix. By 2023, the renewable energy mix in Indonesia reaches 13.3%. Coal is still the most widely used energy sources ini Indonesia, reaching 39,7%. This research employs quantitative methodology to ascertain the purchasing ability of the community for electrical energy through questionnaire distribution to PT PLN (Persero) customers. The respondents of this research are PT PLN (Persero) customers with household categories at all levels, which are R1, R2 and R3. The result showed that that a vast majority of respondents (97%) recognize coal as the primary energy source for electricity generation, with 96.3% acknowledging its negative environmental and health effects. Awareness of the government's energy transition policy is high at 97.6%, and 93.3% of respondents support the shift to renewable energy. However, the willingness to pay higher electricity tariffs declines across customer categories, with R1 at 54.13%, R2 at 47.83%, and R3 at 33.33%. The research results on respondents' ability to pay show that R1 category respondents represent 5% of the initial bill. The R2 and R3 categories represent a maximum of 10% of the initial bill.

Stakeholders Mapping Based on Risk of Public Private Partnership (PPP) NonRegional Water Supply Provision in Indonesia Wardhana, Yuki Mahardhito Adhitya
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 2 (2024): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.14.2.306

Clean water is a necessity for human life that is obligated to be fulfilled. Quantity and the quality of groundwater are decreasing; thus, water provision through pipelines using the PPP scheme became a flagship option to provide water services, especially in Municipalities. PPP became an option to accelerate clean water provision for non-regional water supply. Water as a necessity has very detailed regulations and complex risks and involves many stakeholders. PPP, risk management, and stakeholders have tight linkages conceptually and through framework. This research aims to map the necessary stakeholders involved in non-regional water supply provision with a risk-based approach to mitigate the risks arising from them. The methodology used in this research is a mixed method using risk identification analysis and stakeholder mapping and identification. The result shows that there are 10 stakeholders in the non-regional PPP water projects, which are split into 3 categories those are key stakeholders, supporting stakeholders, and participating stakeholders. Each stakeholder has the potential to trigger risk in a non-regional PPP water project that sums up to 10 risks. Through this authoritative approach and the relevant support, stakeholders can mitigate the risks that exist in non-regional PPP water projects.

Policy Model for Sustainable Drinking Water Supply System Wardhana, Yuki Mahardhito Adhitya
Journal of Infrastructure Policy and Management (JIPM) Vol. 1 No. 1 (2018): Journal of Infrastructure Policy and Management (JIPM)
Publisher : PT Penjaminan Infrastruktur Indonesia (Persero)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35166/jipm.1.1.17-27

In RPJMN 2015-2019, the government has aimed to reach a 100% drinking water services coverage throughout Indonesia in 2019. The actual proper drinking water coverage until 2015 was still at 67.7%. This research seeks to formulate a policy model for sustainable drinking water management system. The method of analysis used in this research is the process model method. The results obtained in this study are policy models for sustainable SPAM development that will include the main variables of this system: raw water source, water treatment processes and water distribution.

Strategies for Accelerating Sustainable Drinking Water Pipeline Utilization Rachmad, Eddy; Sodri, Ahyahudin; Wardhana, Yuki MA.
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 1 (2025): February 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i1.57-70

Uncontrolled and excessive use of groundwater leads to economic, social, and environmental impacts. This study investigated factors influencing the low willingness to utilize piped water. The research was conducted in Duren Sawit Village, East Jakarta. The study focused on the sources of household clean water and the factors affecting the low utilization of piped water. A qualitative research approach was employed through in-depth interviews with key informants selected using purposive sampling, and the problem was analyzed using a fishbone diagram. The study found 81% of households use groundwater, only 9% use piped water, and 10% use both sources. The findings reveal that 25% of the households using piped water still rely entirely on groundwater. The low utilization of piped water was influenced by several factors, including socio-economic conditions, environmental behavior, groundwater quality, performance of PAM Jaya, and groundwater regulations for household usage. Based on the analysis, strategies for accelerating piped water utilization were proposed, including socialization and education on groundwater conservation, quality of groundwater, improvement of PAM Jaya performance, and changes in regulations regarding groundwater use for household. Environmental behavior is identified as the primary factor influencing the high use of groundwater. Several strategies involving stakeholders are necessary to promote the use of piped water among households. Keywords: Environmental behaviour, Ground water, Ground water regulation, Piped water, Socio economic.

Proyeksi Cadangan Karbon Berbasis Data Empiris dalam Agroforestri untuk Mitigasi Perubahan Iklim Kemal Adam, Muharam; Karuniasa, Mahawan; Mahardhito Adhitya Wardhana, Yuki
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.20118

Deforestation from monoculture farming significantly contributes to greenhouse gas emissions and ecosystem degradation, highlighting the need for sustainable land management. Agroforestry presents a viable solution for enhancing carbon sequestration. However, many project models rely on assumptions or secondary data, leading to limited accuracy. This research aimed to enhance projections of carbon stock changes by utilizing empirical data from a 12.7-ha tea plantation in West Java, Indonesia. This research established baseline carbon stocks through direct field measurements in a monoculture scenario. Agroforestry interventions involved hardwood species, such as Toona sureni, Altingia excelsa, and Manglietia glauca, in conjunction with coffee crops. Carbon stock accumulation was then projected over ten years using allometric equations and annual growth increments derived from field observations. Results indicated that agroforestry increased carbon sequestration by threefold compared to monoculture, reaching 472.77 t CO2eq/ha by 2032. The findings demonstrated that empirical data-driven modeling resulted in more realistic and reliable projections, enhanced the accuracy of carbon stock predictions, and established agroforestry as a sustainable approach for mitigating climate change.

Reconceptualizing green sukuk through Maqashid al-Shariah for advancing sustainable development goals Izzati, Amrina Nur; Tumuyu, Sri Setiawati; Wardhana, Yuki Mahardhito Adhitya
Journal of Islamic Economics Lariba Vol. 11 No. 2 (2025)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jielariba.vol11.iss2.art22

IntroductionThe global pursuit of sustainable development has intensified the need for innovative financing instruments capable of addressing environmental and social challenges while remaining ethically grounded. In Muslim-majority countries, green sukuk has emerged as a promising Islamic finance instrument designed to fund environmentally friendly projects in line with Shariah principles. Despite its growing relevance, scholarly discussion on how green sukuk operationalizes maqashid al-shariah within the framework of the Sustainable Development Goals remains limited, particularly from an integrated conceptual and stakeholder-based perspective.ObjectivesThis study aims to develop and analyze a green sukuk concept based on maqashid al-shariah in achieving sustainable development. Specifically, it seeks to examine the alignment between green sukuk, maqashid al-shariah, and the Sustainable Development Goals; identify priority dimensions in green sukuk development; and assess key implications for investors, governance, and public policy in the Indonesian context.MethodThe study adopts a qualitative-descriptive approach combined with an Analytic Hierarchy Process. Data were collected from secondary sources, including official green sukuk allocation and impact reports, and primary data obtained through interviews and structured questionnaires involving key stakeholders. Content analysis was used to map green sukuk–financed projects to maqashid al-shariah and Sustainable Development Goals, while the Analytic Hierarchy Process was employed to determine priority dimensions in green sukuk development.ResultsThe findings reveal a strong alignment between green sukuk, maqashid al-shariah, and the Sustainable Development Goals, particularly in environmental protection, social welfare, and economic resilience. Environmental and social dimensions emerge as the highest priorities, surpassing economic and governance considerations. However, the study identifies an imbalance in maqashid realization, with intellectual development receiving limited attention. Investor participation is largely driven by functional value considerations, while governance quality and transparency play a critical enabling role.ImplicationsThe results highlight the need for more holistic maqashid-based frameworks that integrate intellectual development, strengthen governance, and enhance sustainability reporting to improve the effectiveness and credibility of green sukuk.Originality/NoveltyThis study offers an integrated maqashid al-shariah–based conceptualization of green sukuk linked explicitly to the Sustainable Development Goals, combining content analysis with stakeholder prioritization to advance the discourse on Islamic sustainable finance.

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