scholarly journals Biopolymers from Natural Resources

Polymers ◽  
2021 ◽  
Vol 13 (15) ◽  
pp. 2532
Author(s):  
Rafael Balart ◽  
Daniel Garcia-Garcia ◽  
Vicent Fombuena ◽  
Luis Quiles-Carrillo ◽  
Marina P. Arrieta

During the last decades, the increasing ecology in the reduction of environmental impact caused by traditional plastics is contributing to the growth of more sustainable plastics with the aim to reduce the consumption of non-renewable resources for their production [...]

Author(s):  
Stephen Emerson ◽  
Hussein Solomon

Resource conflict and environmental degradation are in reality two-sides of the same security challenge coin. Both address the issue of natural resource abundance and scarcity and how societies deal with these challenges and their implications, but from vastly different perspectives. While the first addresses access and control over existing natural resources in terms of resource competition, the second addresses the environmental impact of declining or the misuse of resources. Regardless of the perspective, however, both present a serious threat to African peace and stability through their ability to generate and sustain violent conflict, fuel corruption or undermine governance. Moreover, some of these types of conflicts are the most difficult to resolve given the life or death nature of the stakes involved for individuals and entire communities.


2018 ◽  
Vol 31 ◽  
pp. 08017
Author(s):  
Ferdinand Saras Dhiksawan ◽  
Sudharto P. Hadi ◽  
Adji Samekto ◽  
Dwi P. Sasongko

The purpose of this study is to find a picture of the involvement of Indigenous Peoples of Tabi Mamta in the process of environmental impact assessment (EIA) in Tabi Mamta customary territory. The method and type of research used is non-ethnographic qualitative research with data collection techniques using limited observation techniques. Data and information in the field will be analyzed using constructivism paradigm. The paradigm of constructivism is based on an interpretive understanding called hermeneutics (hermeneuien) in the sense of interpreting, giving understanding, translating data and information obtained in the research location as a result of social reality. The results of this study indicate that the customary community of Tabi Mamta is a unit of customary community that still has territorial customary territory, has a customary leadership structure, still visible relationship of kinship, cultural values as well as customary norms and sanctions, and has environmental wisdom in maintaining existence Natural resources. In the socio-cultural system of customary communities there are components such as customary stratification, permissiveness, communication, reciprocity, past history, cultural values, customary norms and sanctions, religious and customary leadership. Components in the socio-cultural system of indigenous and tribal peoples play a role in the EIA process in the Tabi Mamta customary area especially in the environmental feasibility decision making process. The components of custom stratification, cultural values and customary norms play a role in the EIA process. In customary stratification there is uncustomary structure in the ondoafi, Iram and Tribal Leadership. Components in a sociual cultural system is a unity resulting from interaction between individuals and groups to prevent environmental damage and disturbance of natural resources. Natural resources are considered as ancestral symbols passed down by ancestors from generation to generation


2020 ◽  
Vol 143 ◽  
pp. 01006
Author(s):  
Zhe Li ◽  
Yidan Wang ◽  
Shuyuan Tong

The rational planning of urban spatial distribution and development direction could benefit the urban economy, social environment and other aspects, as an essential part of urban planning. Since the Law of EIA promulgated in 2003, the scope of environmental impact assessment has been upgraded to a higher level of overall urban planning whereas the influence is not significant. In 2018, urban and rural planning function was merged into the Ministry of Natural Resources, from leading urban construction to serving the protection of urban natural resources. It is also a new and significant approach to analyse the rationality of urban spatial distribution and development direction from the perspective of environmental impact assessment. The purpose of Jianghua Yao autonomous county is to build an eco-tourism civilized city, which is representative in the selection of cities for environmental impact assessment. On the space structure of functional areas and the development direction to the indicator elements of Yao nationality autonomous county class was divided into 4 categories, 5 layers,15 index factors were selected to construct the environmental impact assessment index system. Using analytic hierarchy process (AHP) to select the indexes weights assignment, then according to the evaluation criterion to evaluate it, we draws the analysis conclusion in the environment aspect. The planned urban spatial distribution and development direction of Jianghua Yao autonomous county from 2014 to 2020 are reasonable, have little negative impact on the environment, and are suitable for the green development of the city.


1995 ◽  
Vol 26 (1) ◽  
pp. 196-218 ◽  
Author(s):  
Nancy Lee Peluso ◽  
Peter Vandergeest ◽  
Lesley Potter

This paper examines the major trends since the 1950s in social science writing on forest management in Southeast Asia. Southeast Asia is simultaneously rich in and dependent on natural resources, both for local and national use or sale. Among renewable resources, forest products have played critical roles in the region's national, provincial, and local economies before, during, and after colonialism — for as long as two millennia. Their importance in international trade illustrates that Southeast Asia's forests linked the region to other parts of the world for quite some time, dispelling myths that parts of the region such as Borneo were “remote”, “primitive”, or “pristine”.


2014 ◽  
Vol 38 (6) ◽  
pp. 786-806 ◽  
Author(s):  
Rafael Reuveny ◽  
Katherine Barbieri

Many analysts expect that a decline in natural resources and a rise in resource demand will increase the risk of interstate war in the coming decades. Other researchers reject this expectation. Empirical examinations are mostly qualitative case studies, and the few statistical models center primarily on waters. We argue changing resource levels can provide either an incentive or a disincentive for countries to go to war. The net effects by resource are empirical issues. We offer statistical models for a large sample, including several types of renewable and non-renewable resources, and other variables. We find that resource changes impact interstate war, and the magnitude of their impacts is on par with that of non-resource forces, and the effects of one time resource changes linger. The paper examines implications for the coming decades in light of the United States’ National Intelligence Council’s Global Trends 2030 outlook.


1983 ◽  
Vol 1 (1) ◽  
pp. 107-116 ◽  
Author(s):  
P-O Johansson

Traditionally the rules to be used when evaluating the efficiency gains from (public sector) projects are derived from models in which there are no natural resources. If the use of a certain natural resource is discussed the implicit assumption seems to be that the traditional project evaluation rules are applicable. In this paper it is shown that the traditional cost-benefit rules are misleading if the economy is making use of exhaustible or renewable resources.


2020 ◽  
Vol 8 (2) ◽  
pp. 54-62
Author(s):  
Mekonen Aregai ◽  
Muluberhan Bedemariam

AbstractThis article presents research on the socio environmental impact of refugees on their host communities. We assessed the challenges of refuge populations to their host community in north western Tigray, Ethiopia, where the Eritrean refugees are settled,. Primary data was produced from semi-structured questionnaires and a random sampling technique deploying a logistic regression model to describe the relationship between the socio-environmental changes of the host community. Results suggested 96% of the sample respondents confirmed changes of tree species and forest coverage on community farms was observed during the study period. Similarly, change in forest coverage and changes in tree species are strongly and positively associated with the existence of refugees in the study communities. The dramatic change observed on forest coverage and tree species has led to a progressive decline in natural resources. The study concluded that unplanned human population influxes, especially refugee inflows, affected host communities negatively and the socio-environmental situation has been significantly changed in the study areas. The study highlights the need for holistic intervention to ameliorate the negative impacts and to maintain the sustainable management of natural resources so as to improve the socio-environmental impact of refugees on host communities.


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