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  • 1
    Online Resource
    Online Resource
    Social, Economic and Environmental Impact ofElectric Vehicles in India
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2022
    In:  Journal of Environmental Science and Management Vol. 25, No. 1 ( 2022-06-30), p. 64-68
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 25, No. 1 ( 2022-06-30), p. 64-68
    Abstract: This study gives a general overview of the social, economic, and environmental impacts of electric vehicles (EVs) in India. The growing threats of global warming, excessive petrol dependence, ever increasing prices of fuel, and driving trends are just a selection of reasons which have accelerated the development of EV since the transport sector also represents a critical percentage of greenhouse gas emission. The aim of this study is to compare and analyze the development of the EV market and the government support in making the trend and accelerating it to save the nation and the world from pollution in India. Electric vehicles have huge potential from a user perspective. In the coming years, EVs will have a very important role in smart transportation and smart cities, along with shared mobility, mass transport, etc. Therefore, more efforts to facilitate the charging process and to improve batteries are needed. In a thrust towards incentivizing new age technologies and reducing its carbon emissions to net-zero by the year 2070, India is aggressively promoting the adoption of EVs. India aims to switch 30% of private cars, 70% of commercial vehicles, and 80%of two and three-wheelers to EVs by the year 2030. Increase percentage of renewable energy in the electricity mix and prevent air pollution caused from battery manufacturing. The recommended policies can be accepted by any market globally for reducing air pollution through increased adoption of electric vehicles. The environmental considerations of electric mobility challenges exist in terms of environmental impacts generated by the rising demand for electric vehicles.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2022_1/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2022_1/08
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2022
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  • 2
    Online Resource
    Online Resource
    Agro-environmental Sustainability of Conventional and Organic Vegetable Production Systems in Tayabas, Quezon, Philippines
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2016
    In:  Journal of Environmental Science and Management Vol. 19, No. 1 ( 2016-06-30), p. 58-71
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 19, No. 1 ( 2016-06-30), p. 58-71
    Abstract: Environmental burdens of the different components of conventional and organic vegetable productions systems in Tayabas, Quezon were evaluated using the Life Cycle Assessment (LCA) approach. The study quantified the material inputs, outputs and emissions in a defined boundary, from land preparation to transport to market. Impact categories evaluated were global warming (GWP), acidification (AP), eutrophication (EP) and human toxicity (HTP) potentials based on the functional units of 1 kg and 1 ha production area. Conventional vegetable farming contributions to global warming potential was 2.12E-01 kg CO2 equivalent kg-1 of vegetable which was 43% higher than organic farming (1.21E-01 kg CO2 equivalent kg-1 of vegetable). Acidification potential of conventional (4.76E-03 g SO2 equivalent kg-1 of vegetable) was 23% higher than organic vegetable production (1.06E-03 g SO2 equivalent kg-1 of vegetable). Organic farming contributed 3.03E+00 kg PO4 equivalent kg-1 of vegetable potential eutrophication which was 16% higher than conventional with only 4.70E-01 kg PO4 eq kg-1 of vegetable. The application of chemical pesticides of conventional farms contributed to human toxicity potential calculated for both soil and air compartments. Cypermethrin had the highest total human toxicity in soil and air with 7.88E+06 g 1,4 DCB-eq ha-1 and 1.84E+02 g 1,4 DCB-eq ha-1, respectively. Organic farms had zero human toxicity potential in this study since organic farmers did not use synthetic pesticides.This study provided evidence on the possible environmental contributions to emissions of conventional and organic vegetable production systems
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2016_1/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2016_1/07
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2016
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  • 3
    Online Resource
    Online Resource
    Water, Sanitation and Hygiene Practices in the Philippines: Meeting National and Global Targets at the Local Level
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2021
    In:  Journal of Environmental Science and Management Vol. 24, No. 1 ( 2021-06-30), p. 1-14
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 24, No. 1 ( 2021-06-30), p. 1-14
    Abstract: As national and global water, sanitation, and hygiene targets have been set and programs have been implemented, the study aimed to assess the attainment of these targets at the local level in selected areas in Davao region, the Philippines. Randomly selected households were assessed for water, sanitation, and hygiene indicators using a modified tool that combined national guidelines and global recommendations. Validated access to improved water source for drinking was below the targets in most barangays, while validated sanitary toilet coverages in all barangays did not meet the targets. Significant difference was observed between validated and reported access to improved water and sanitation services in some barangays. Approximately 87.5% of households had a handwashing facility, but only 51.2% of which had both water and soap available. Achieving the targets is challenged by the gap in monitoring due to a decentralized health system in the Philippines. There is a need to standardize indicators and optimize the tool to allow a comprehensive assessment of water, sanitation, and hygiene practices. This will help generate local data that are in line with national guidelines and global recommendations to enhance policy and to determine priority areas for improved water, sanitation, and hygiene service delivery.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2021_1/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2021_1/01
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2021
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  • 4
    Online Resource
    Online Resource
    Geohazards, Tropical Cyclones and Disaster Risk Management in the Philippines: Adaptation in a Changing Climate Regime
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2013
    In:  Journal of Environmental Science and Management Vol. 16, No. 1 ( 2013-06-30), p. 84-97
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 16, No. 1 ( 2013-06-30), p. 84-97
    Abstract: Climate change, involving both natural climate variability and anthropogenic global warming, has been a major worldwide concern, particularly with the publication of the Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change. Considering the archipelagic nature of the Philippines and its being a very minor emitter of greenhouse gases, adaptation to climate change has been the Government’s national policy. The importance of expediting these climate change-related adaptation measures was highlighted by a string of geo-meteorological-related disasters, specifically triggered landslides and floods consequent to Typhoon Parma that hit the country in 2009. We present the geologic conditions that rendered the affected areas, especially in northwestern Luzon, extremely vulnerable to the existent hazards, the meteorological conditions that set off the disaster and the different initiatives that the government and local communities have taken to further prepare the people for possible future disasters. Recognition of the pertinent issues and the extant challenges points to the urgent need for mainstreaming both geo-meteorological-related disaster risk management and climate change adaptation measures in the light of changing climate conditions.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2013_1/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2013_1/10
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2013
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  • 5
    Online Resource
    Online Resource
    Environmental Sustainability Analysis of Charcoal Production in Mulanay, Quezon, Philippines
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2016
    In:  Journal of Environmental Science and Management ( 2016), p. 93-100
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, ( 2016), p. 93-100
    Abstract: Global and historical trends show the re-emergence of woodfuels as alternative sources of energy amid concerns over their environmental impacts. Charcoal production, in particular, remains a significant source of indigenous energy for developing countries like the Philippines, where it is perceived as a cause of deforestation and environmental degradation. This study presents a case where charcoal production can be practiced on a sustainable basis by focusing on aspects that affect the environment, namely, wood source, harvesting strategy and production techniques. Key informant interviews, focus group discussions and a survey among charcoal producers in Mulanay, Quezon revealed a preference on hardwoods that produce slow-burning charcoals and other readily-available, usually invasive, tree species. Harvesting strategies include tree felling and pruning and rotational harvesting to allow stock replenishment. Charcoal producers employ an old but simple production technique called ‘binulkan’, which has an efficiency rate of 7.7% by weight. The study concludes that an environmentally-sustainable charcoal industry in Mulanay can be achieved by planting and utilizing suitable tree species and improving harvesting systems and production techniques. Further study is recommended to assess the feasibility of establishing wood plantations for charcoal production with regard to its poverty reduction potential and continued benefits to the community.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2016_sp2/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2016_sp2/09
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2016
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  • 6
    Online Resource
    Online Resource
    Energy Savings and Carbon Emission Reduction of Smart Lighting Installation in a Multipurpose and Residential Building in Santiago de Compostela, Spain
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2013
    In:  Journal of Environmental Science and Management Vol. 16, No. 2 ( 2013-12-31), p. 56-62
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 16, No. 2 ( 2013-12-31), p. 56-62
    Abstract: The excessive emissions of greenhouse gases into the atmosphere has increased the global average temperature resulting to a phenomenon known as global warming. One of the major greenhouse gasses is CO2 and the various efforts are focused on curbing its emissions. Using the case of a multipurpose and residential building at the University of Santiago de Compostela in Northwestern Spain, this study assessed the environmental impact of installing smart lighting. This study quantifies the CO2 emission reduction, and economic cost associated to the technical improvement. Such action resulted to saving 126 MWh and a reduction of carbon emissions of 25 T annually, with a return period of six years.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2013_2
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2013_2/07
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2013
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  • 7
    Online Resource
    Online Resource
    Knowledge, Attitude and Practices of Nutrition Workers on Climate Change in Laguna, Batangas and Cavite Provinces, Philippines
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2020
    In:  Journal of Environmental Science and Management Vol. 23, No. 2 ( 2020-12-31), p. 19-28
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 23, No. 2 ( 2020-12-31), p. 19-28
    Abstract: Climate change and malnutrition are two global phenomena that affect millions of population groups. The Philippines is considered one of the most vulnerable countries for extreme natural events and at the same time has a high prevalence of underweight (19.0%) and stunting (28.8%) in 2019 among under five children. The nutritionally vulnerable groups are children, pregnant and lactating women, and elderly. These groups are also greatly affected by climate change-related events then the malnutrition situation is exacerbated. The local nutrition workers are the frontline workers who plan, implement, and monitor nutrition programs. Mainstreaming climate change in the local nutrition planning processes will be facilitated if nutrition workers are knowledgeable. This study aimed to determine the current knowledge, attitudes and practices of nutrition workers and perceptions on how to mainstream climate change in the nutrition sector’s local planning system. A survey was conducted among local nutrition workers. Ninety-five percent of nutrition workers were highly knowledgeable, 86% were with high level of attitudes and 50% were exhibiting moderate level of practices related to climate change. The gaps can be narrowed by capacity building and possibly this can lead to mainstreaming climate change in the local nutrition planning process.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2020_2/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2020_2/03
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2020
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  • 8
    Online Resource
    Online Resource
    Life Cycle Assessment of Manila Hemp in Catanduanes, Philippines
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2015
    In:  Journal of Environmental Science and Management Vol. 18, No. 2 ( 2015-12-31), p. 53-61
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 18, No. 2 ( 2015-12-31), p. 53-61
    Abstract: Environmental burdens of one ton baled abaca fiber, which is exported as Manila hemp, were determined using life cycle assessment with three phases: plantation establishment and fiber harvesting, fiber trading, and grading and baling of fiber. Abaca fiber was organically produced in Catanduanes. One hectare abaca plantation produced an average of 830 kg fiber with a total mean discarded biomass of 5.7 t. A barangay trader can purchased 712 kg of dry fiber per week while Grading and Baling Establishment (GBE) procured and processed 250 t mo-1. One ton of baled fiber required 1.6 ha plantation with 2,132 undamaged abaca hills that produced 1,052.6 kg dry abaca fiber. Harvesting produced about 80.2 t of discarded materials and weeds which used as mulch, however, estimated soil nutrient loss was 0.5 kg N and 0.1 kg P and 5.4 kg K. Trading and baling produced 52.6 kg fiber by-product used for furniture making; more than 5 kg of fiber dust and a total global warming potential of 47.7 kg CO2 equivalent. The following are recommended to improve farm productivity: a) use of organic fertilizer to replace the nutrient loss; b) improve stripping device to enhance fiber quality; and c) utilize farm waste for soil conservation. Local policy on abaca trading was recommended to increase farmer’s share. GBE must provide mechanism to improve environmental work condition and strictly enforce the use of ear plug to avoid hearing loss of workers.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2015_2/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2015_2/06
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2015
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  • 9
    Online Resource
    Online Resource
    Towards a Balanced Assessment of the Viability of Nuclear Energy in the Philippines
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2021
    In:  Journal of Environmental Science and Management Vol. 24, No. 2 ( 2021-12-31), p. 17-29
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 24, No. 2 ( 2021-12-31), p. 17-29
    Abstract: Nuclear energy in the Philippines has been thrust into the spotlight by the administration of President Duterte. A committee created by Executive Order 116 was tasked to formulate a national position on a possible nuclear program. For nuclear energy to be a sustainable alternative, it must be accepted by society at large. Conventional wisdom surrounding the Bataan Nuclear Power Plant (BNPP) has branded this project as a white elephant leading to rejection of nuclear energy among a significant number of Filipinos, particularly members of civil society. This study presents evidence that the BNPP was operational at the time the administration of President Corazon Aquino decided to shut it down. Moreover, the risks related to the BNPP’s location are largely inconsequential. The BNPP became a white elephant because of an ill-advised political decision. Evaluating the viability of nuclear energy in the Philippines should therefore be balanced and deal solely with underlying technical and scientific issues, which are well known. Meanwhile, the role of nuclear energy in promoting a low-carbon society must be re-evaluated because of the sharp decline in the cost of variable renewable energy (VRE). If nuclear energy will eventually be incorporated in the plans of the Department of Energy (DOE), building a new large reactor would be too expensive. Two options are more feasible: revive the BNPP and/or invest in small module reactors (SMRs). Even if the latter has not yet been mainstreamed in the global energy market, SMRs are already on the radar of the DOE
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2021_2
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2021_2/03
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2021
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  • 10
    Online Resource
    Online Resource
    DNA Barcoding of Red Jungle Fowls (Gallus gallus philipensis Hatchisuka) from Different Mountain Areas in the Philippines
    School of Environmental Science and Management, University of the Philippines Los Banos ; 2013
    In:  Journal of Environmental Science and Management Vol. 16, No. 1 ( 2013-06-30), p. 1-10
    Details
    In: Journal of Environmental Science and Management, School of Environmental Science and Management, University of the Philippines Los Banos, Vol. 16, No. 1 ( 2013-06-30), p. 1-10
    Abstract: Initially proposed as a global standard for rapid species identification, DNA barcodes (cytochrome c oxidase subunit I or COI in the mitochondrial genome) were determined to assess diversity and genetic distances among 25 red jungle fowls (Gallus gallus philipensis Hatchisuka) obtained from different mountain areas in 23 provinces of 12 islands in the Philippines. Results of the evolutionary analyses using Kimura two-parameter model in MEGA5 indicated existence of two main evolutionary clades, and effectiveness of DNA barcodes in identifying and differentiatiang red jungle fowls between and within clades. Genbank-accessed COI sequences of three subspecies of red jungle fowls (Gallus gallus gallus, Gallus gallus bankiva, Gallus gallus spadiceus) and three Gallus species (G. lafayettei, G. sonneratii, G. varius) were clustered in the intermediate zone between differentiated populations of Philippine red jungle fowls, but more recently diverged with those in Clade A. Based on 627 positions from 25 COI sequences, average genetic distance among red jungle fowls was 0.254 units, demonstrating close resemblance within clade, but greater divergence between clades (d 〉 1). Genetic divergence within Clade A (d=0.294) was higher than Clade B (d=0.215). Moreover, pooled pair-wise genetic distance was not significantly correlated (P 〉 0.05) with geographical distances among red jungle fowls between and within clades. Evolutionary analysis of the DNA barcodes of Philippine red jungle fowls provided important information on genetic variability and population structure useful to support decisions on agrobiodiversity conservation and research in upland areas.
    Type of Medium: Online Resource
    ISSN: 0119-1144
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.47125/jesam/2013_1/
    DOI: 10.47125/jesam/
    DOI: 10.47125/jesam/2013_1/01
    Language: Unknown
    Publisher: School of Environmental Science and Management, University of the Philippines Los Banos
    Publication Date: 2013
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