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Articles 361 - 390 of 1141

Full-Text Articles in Physical Sciences and Mathematics

Environmental Activism, Ellen Dexter, Lydia Dexter Apr 2020

Environmental Activism, Ellen Dexter, Lydia Dexter

Honors Expanded Learning Clubs

An after school book club that follows Greta Thunberg's book of speeches No One is Too Small to Make a Difference , as well as uses hands-on activities to teach the importance of environmental activism.


Gen Z Perspectives On Climate Change And The Future: Having The Courage To Imagine And Fight For A Better World, Isabelle Graj Apr 2020

Gen Z Perspectives On Climate Change And The Future: Having The Courage To Imagine And Fight For A Better World, Isabelle Graj

Independent Study Project (ISP) Collection

I conducted 6 interviews with Gen Z students to investigate how they think climate change will impact their future and how they frame the issue in general. I communicate my findings and analysis with visual context through a zine, which is a form of alternative media created in the 1930s. Today, zines provide a creative approach to exchange ideas and explain contemporary culture (Gisonny and Freedman, 2006, 26). My zine is not meant to be utterly educational but rather it is meant to convey the emotion, confusion, and chaos associated with my findings. The interviews collectively created an image of …


Stars In Our Eyes: Documenting Wcu Sustainability Efforts, Bradley Flamm Mar 2020

Stars In Our Eyes: Documenting Wcu Sustainability Efforts, Bradley Flamm

Sustainability Research & Practice Seminar Presentations

No abstract provided.


Capturing The City’S Heritage On-The-Go: Design Requirements For Mobile Crowdsourced Cultural Heritage, Bas Hannewijk, Federica Lucia Vinella, Vassilis-Javed Khan, Ioanna Lykourentzou, Konstantinos Papangelis, Judith Masthoff Mar 2020

Capturing The City’S Heritage On-The-Go: Design Requirements For Mobile Crowdsourced Cultural Heritage, Bas Hannewijk, Federica Lucia Vinella, Vassilis-Javed Khan, Ioanna Lykourentzou, Konstantinos Papangelis, Judith Masthoff

Articles

Intangible Cultural Heritage is at a continuous risk of extinction. Where historical artefacts engine the machinery of intercontinental mass-tourism, socio-technical changes are reshaping the anthropomorphic landscapes everywhere on the globe, at an unprecedented rate. There is an increasing urge to tap into the hidden semantics and the anecdotes surrounding people, memories and places. The vast cultural knowledge made of testimony, oral history and traditions constitutes a rich cultural ontology tying together human beings, times, and situations. Altogether, these complex, multidimensional features make the task of data-mapping of intangible cultural heritage a problem of sustainability and preservation. This paper addresses a …


Preparing Youth For Climate Action: Philadelphia Teachers Facilitating Student-Led Social Change In Elementary And Middle School Classrooms, Kathleen Riley, Elizabeth Soslau Mar 2020

Preparing Youth For Climate Action: Philadelphia Teachers Facilitating Student-Led Social Change In Elementary And Middle School Classrooms, Kathleen Riley, Elizabeth Soslau

Sustainability Research & Practice Seminar Presentations

No abstract provided.


Should Native Pastures Be Fertilised?, Jo I. Powells, Doug J. Alcock, Luke C. Pope, Denys Garden Mar 2020

Should Native Pastures Be Fertilised?, Jo I. Powells, Doug J. Alcock, Luke C. Pope, Denys Garden

IGC Proceedings (1993-2023)

Considerable research has been conducted in recent years demonstrating the ongoing benefits of phosphorus (P) fertiliser in achieving and maintaining higher levels of production from native pastures (Graham 2006; Garden et al. 2003; Lodge et al. 2003; Michalk et al. 2003). However Garden et al. (2003), Hill et al. (2004) and Dorrough et al. (2008) all question the sustainability of this practice by highlighting changes in species composition of these pastures with regard to increasing the introduced annual grass and broadleaf weed components at the expense of the native grasses and forbs but in …


Using Forages To Conserve Water In Semi-Arid Irrigated Cropping Systems, Rick Kellison, V. G. Allen, C. P. Brown, D. L. Doerfert, P. N. Johnson, S. J. Maas, C. P. West Mar 2020

Using Forages To Conserve Water In Semi-Arid Irrigated Cropping Systems, Rick Kellison, V. G. Allen, C. P. Brown, D. L. Doerfert, P. N. Johnson, S. J. Maas, C. P. West

IGC Proceedings (1993-2023)

The Texas High Plains are part of the largest, contiguously irrigated cropland in the USA, and draws water from the Ogallala aquifer. High crop prices, increased demand for maize for ethanol production, and severe drought have increased water depletion rates. Research has shown that integrating forages and grazing cattle into the cotton-dominant cropping system can reduce overall water use (Allen et al. 2012) while still offering farmers positive net returns (Johnson et al. 2013). Integrating forages with row crops also reduces needs for nitrogen (N) fertilizer, rebuilds soil organic matter (Acosta-Martinez et al. 2010), and reduces fossil energy …


The North Wyke Farm Platform: Methodologies Used In The Remote Sensing Of The Quantity And Quality Of Drainage Water, Bruce A. Griffith, Jane M. B. Hawkins, Robert J. Orr, Martin S. A. Blackwell, Phil J. Murray Mar 2020

The North Wyke Farm Platform: Methodologies Used In The Remote Sensing Of The Quantity And Quality Of Drainage Water, Bruce A. Griffith, Jane M. B. Hawkins, Robert J. Orr, Martin S. A. Blackwell, Phil J. Murray

IGC Proceedings (1993-2023)

The North Wyke Farm Platform(NWFP) for agri-environmental research in temperate grassland was established in the UK in 2010 (Orr et al. 2011). Here we describe the instrumentation and methodologies used to monitor the quantity and quality of drainage water at a total of 15 H-flumes draining 5 sub-catchments within three farmlets. Each of 15 flume laboratories is supplied with 3 kW of mains power and connected to both fibre optic and UHF (Ultra High Frequency) radio networks for data exchange. The radio data network also provides telemetry for rain gauges and soil temperature/moisture probes located away from the flumes …


Optimizing The Environmental And Economic Sustainability Of Contingency Base Infrastructure, Jamie E. Filer Mar 2020

Optimizing The Environmental And Economic Sustainability Of Contingency Base Infrastructure, Jamie E. Filer

Theses and Dissertations

Contingency bases are often located in remote areas with limited access to established infrastructure grids. This isolation leads to standalone systems comprised of inefficient, resource-dependent infrastructure, which yields a significant logistical burden, creates negative environmental impacts, and increases costs. Planners can mitigate these negative impacts by selecting sustainable technologies. However, such alternatives often come at a higher procurement cost and mobilization requirement. Accordingly, this study aims to develop and implement a novel infrastructure sustainability assessment model capable of optimizing the tradeoffs between environmental and economic performance of infrastructure alternatives.


Optimizing The Environmental And Economic Sustainability Of Remote Community Infrastructure, Jamie E. Filer, Justin D. Delorit, Andrew J. Hoisington, Steven J. Schuldt Mar 2020

Optimizing The Environmental And Economic Sustainability Of Remote Community Infrastructure, Jamie E. Filer, Justin D. Delorit, Andrew J. Hoisington, Steven J. Schuldt

Faculty Publications

Remote communities such as rural villages, post-disaster housing camps, and military forward operating bases are often located in remote and hostile areas with limited or no access to established infrastructure grids. Operating these communities with conventional assets requires constant resupply, which yields a significant logistical burden, creates negative environmental impacts, and increases costs. For example, a 2000-member isolated village in northern Canada relying on diesel generators required 8.6 million USD of fuel per year and emitted 8500 tons of carbon dioxide. Remote community planners can mitigate these negative impacts by selecting sustainable technologies that minimize resource consumption and emissions. However, …


Envisioning Higher Education For Sustainability After The Sh*T Hits The Fan, Paul Morgan, Rebecca Drake Feb 2020

Envisioning Higher Education For Sustainability After The Sh*T Hits The Fan, Paul Morgan, Rebecca Drake

Sustainability Research & Practice Seminar Presentations

No abstract provided.


Botanical Composition And Nutritive Value Of Grazing Lands From Organic And Conventional Agrosilvopastoral Production Systems Of Tropical Southeastern Mexico, Claudia Delgadillo Puga, José Bernardo Sánchez Muñoz, José Nahed-Toral, Miguel Ángel Orantes Zebadua, José Luis Cruz Lopez, Mario Cuchillo Hilario Feb 2020

Botanical Composition And Nutritive Value Of Grazing Lands From Organic And Conventional Agrosilvopastoral Production Systems Of Tropical Southeastern Mexico, Claudia Delgadillo Puga, José Bernardo Sánchez Muñoz, José Nahed-Toral, Miguel Ángel Orantes Zebadua, José Luis Cruz Lopez, Mario Cuchillo Hilario

IGC Proceedings (1993-2023)

In the current situation of agriculture, organic livestock farming has been not only adapted to ameliorate undesirable impacts on environment but also it is challenged to hold or improve agricultural yields obtain-ed by conventional agriculture. In the Mesoamerican biological corridor, a region recognized with an abundant diversity, almost all animal husbandry is based on extensive grazing and traditional agrosilvopastoral systems (Nahed-Toral et al. 2009; Nahed et al. 2010). Furthermore, the conversion of natural jungle areas to new farmland through deforestation is a prevalent problem for biological conservation. Therefore, precise knowledge for suitable agriculture and livestock product-ion are needed …


Integrating Beef And Cotton Production Reduces Irrigation Needs In The Texas Southern High Plains, C. Philip Brown, V. G. Allen, Rick Kellison, P. Green, C. J. Zilverberg, P. Johnson, V. Acosta-Martinez, C. P. West Feb 2020

Integrating Beef And Cotton Production Reduces Irrigation Needs In The Texas Southern High Plains, C. Philip Brown, V. G. Allen, Rick Kellison, P. Green, C. J. Zilverberg, P. Johnson, V. Acosta-Martinez, C. P. West

IGC Proceedings (1993-2023)

The Texas High Plains is a semiarid agricultural region located in the central south plains of the United States. This area exemplifies semiarid regions where water is becoming scarce. Crop production depends heavily on irrigation primarily from the Ogallala aquifer at non-sustainable rates of use. Irrigated monoculture cotton (Gossypium hirsutum L.) is the dominant crop but grazing livestock in this once vast grassland is re-emerging as the aquifer declines. Environmental benefits of integrated crop and livestock systems have been suggested. We compared a cotton monoculture with an integrated cotton-forage-beef stocker steer system over 10 yr to determine effects on …


Integrated Crop Livestock Systems--A Key To Sustainable Intensification In Africa, A. J. Duncan, S. A. Tarawali, P. Thorne, D. Valbuena, Katrien Descheemaeker, Sabine Homann-Keetui Feb 2020

Integrated Crop Livestock Systems--A Key To Sustainable Intensification In Africa, A. J. Duncan, S. A. Tarawali, P. Thorne, D. Valbuena, Katrien Descheemaeker, Sabine Homann-Keetui

IGC Proceedings (1993-2023)

Mixed crop-livestock systems provide livelihoods for a billion people and produce half the world’s cereal and around a third of its beef and milk. Market orientation and strong and growing demand for food provide powerful incentives for sustainable intensification of both crop and livestock enterprises in smallholders’ mixed systems in Africa. Better exploitation of the mutually reinforcing nature of crop and livestock systems can contribute to a positive, inclusive growth trajectory that is both ecologically and economically sustainable. In mixed systems, livestock intensification is often neglected relative to crops, yet livestock can make a positive contribution to raising productivity of …


Cooperative Extension And Sustainability Outreach: Programmatic Successes, Administrative Support, And Areas For Improvement, Roslynn Brain Mccann, Mark Apel, Clark Dove, Ramona Madhosingh-Hector, Jennison Kipp Searcy, David Kay Feb 2020

Cooperative Extension And Sustainability Outreach: Programmatic Successes, Administrative Support, And Areas For Improvement, Roslynn Brain Mccann, Mark Apel, Clark Dove, Ramona Madhosingh-Hector, Jennison Kipp Searcy, David Kay

Extension Research

According to the 2018 Intergovernmental Panel on Climate Change, without urgent global changes, climate catastrophe caused by warming of greater than 1.5°C will occur by 2030, endangering the planet's capacity to sustain human populations and livelihoods. The National Network for Sustainable Living Education administered a national survey in January 2017 to assess how well-positioned Extension is to address sustainability in the communities the organization serves. Educators from 40 states responded, and 1,395 usable surveys were received. Survey results will help Extension employees discover opportunities for innovation and relevancy in their programming.


Lean-Green Manufacturing Practices And Their Link With Sustainability: A Critical Review, Wadhah Abualfaraa, Konstantinos Salonitis, Ahmed Al-Ashaab, Maher Ala'raj Feb 2020

Lean-Green Manufacturing Practices And Their Link With Sustainability: A Critical Review, Wadhah Abualfaraa, Konstantinos Salonitis, Ahmed Al-Ashaab, Maher Ala'raj

All Works

© 2020 by the authors. The current rapidly changing and highly competitive market has put companies under a great pressure towards adopting sustainable practices, in terms of keeping a healthy balance among economic, environmental and social performances. In this context, the lean-green manufacturing approach, which combines lean practices focused on customers' demand, and green practices focused on reducing the business' environmental impact, has gained popularity. Nevertheless, the lean-green manufacturing is still a relatively new practice, lacking a clear and structured research definition, and of significant evidence of successful cases in the practice. In this paper, a literature review is conducted …


Sdstate Sustainability Newsletter: Vol. 4 Issue 1, Jennifer Mclaughlin Jan 2020

Sdstate Sustainability Newsletter: Vol. 4 Issue 1, Jennifer Mclaughlin

SD State Sustainability Newsletter

Food Pod Ties Environmental and Social Sustainability
Harding Hall Wins Award for Reuse
Recycling Factors
Sustainability Tidbits


2019 San Diego Regional Climate Collaborative Annual Report, San Diego Regional Climate Collaborative Jan 2020

2019 San Diego Regional Climate Collaborative Annual Report, San Diego Regional Climate Collaborative

San Diego Regional Climate Collaborative

The San Diego Regional Climate Collaborative is a network for public agencies that serves the San Diego region to share expertise, leverage resources and advance comprehensive solutions to facilitate climate change planning. By partnering with academia, nonprofits, and businesses, the SDRCC also works to leverage the profile of regional leadership. This is the 2019 San Diego Regional Climate Collaborative Annual Report.


Spider's Guide To Sustainable Living, Office For Sustainability Jan 2020

Spider's Guide To Sustainable Living, Office For Sustainability

Guides

Thank you for checking out this guide to caring for our future and ourselves. We're glad you did, because we need you. From the climate emergency to emerging health crises to social unrest, the need for change is all around us. The UR Sustainability Plan envisions "a future where sustainability is woven into the fabric of the University" in which we cultivate a culture of caring for people and the natural world. Consider this your invitation to join the movement to make this vision a reality.

Throughout the Spiders Guide to Sustainable Living, we will point out actions you can …


University Of North Florida Environmental Center Annual Report 2020, James W. Taylor, Erin Largo-Wight, Kelly Rhoden Jan 2020

University Of North Florida Environmental Center Annual Report 2020, James W. Taylor, Erin Largo-Wight, Kelly Rhoden

Annual Reports

2020 Annual Report of the Environmental Center at the University of North Florida


Internet Of Things For Environmental Sustainability And Climate Change, Abdul Salam Jan 2020

Internet Of Things For Environmental Sustainability And Climate Change, Abdul Salam

Faculty Publications

Our world is vulnerable to climate change risks such as glacier retreat, rising temperatures, more variable and intense weather events (e.g., floods, droughts, and frosts), deteriorating mountain ecosystems, soil degradation, and increasing water scarcity. However, there are big gaps in our understanding of changes in regional climate and how these changes will impact human and natural systems, making it difficult to anticipate, plan, and adapt to the coming changes. The IoT paradigm in this area can enhance our understanding of regional climate by using technology solutions, while providing the dynamic climate elements based on integrated environmental sensing and communications that …


Information Systems Strategies For Small And Medium Size Enterprise Sustainability, Oluseyi Solomon Awotayo Jan 2020

Information Systems Strategies For Small And Medium Size Enterprise Sustainability, Oluseyi Solomon Awotayo

Walden Dissertations and Doctoral Studies

Small and medium size business owners who do not use information systems effectively degrade business models, reduce customer value, and diminish the prospects for business stability, profitability, and growth. Grounded in the resource based view framework, the purpose of this qualitative multiple-case study was to explore the information systems strategies small business owners used to sustain their business beyond 5 years. A purposeful sample of 5 owners of 5 different small and medium sized businesses in the state of Texas participated in the study. Data were collected via semistructured, face-to-face interviews, company documents, and member checking. Data were analyzed using …


Sustainability Strategies Of Small Business Owners In Northcentral Texas, Danielson Ledum Dukor Jan 2020

Sustainability Strategies Of Small Business Owners In Northcentral Texas, Danielson Ledum Dukor

Walden Dissertations and Doctoral Studies

While small businesses contribute significantly to job creation in the United States, they fail financially at alarming rates. Fifty percent of small businesses survive 5 years or longer, and only one-third of small business startups survive more than 10 years. Owners of small businesses could benefit from strategies used to mitigate the small firms’ failure rate by obtaining suitable leadership values and skills, understanding the business’s nature, and engaging in financial planning. Grounded in Schumpeter’s entrepreneurship theory, the purpose of this qualitative multiple case study was to explore strategies small home health business owners used to sustain their businesses beyond …


Relationship Between Nonprofit Leadership Intention, Leadership Development Programs, And Succession Planning Documentation, Denise March Jan 2020

Relationship Between Nonprofit Leadership Intention, Leadership Development Programs, And Succession Planning Documentation, Denise March

Walden Dissertations and Doctoral Studies

Understanding the importance of efficient and effective leadership transition to retain organizational intelligence can mitigate the risks of significant disruption. The problem for nonprofits is the potential loss of organizational intelligence, funding, and continuity as baby boomers retire and transition out of their leadership roles without effectively addressing leadership transition and an impending leadership deficit. The purpose of this quantitative descriptive correlational study was to examine the relationship between leadership intention factors, succession planning documentation, and leadership development programs. The research questions pertained to the relationship between leadership intention factors, succession planning documentation, and leadership development programs. Ajzen’s theory of …


The Way Forward For The Integration Of Sustainability Standards, Tobi Petrocelli Jan 2020

The Way Forward For The Integration Of Sustainability Standards, Tobi Petrocelli

Walden Dissertations and Doctoral Studies

Large-scale environmental failures within public companies in the United States have led to a globally growing trend in stakeholder insistence that company leaders maintain formal integrated sustainability accounting in their financial reports. Companies that rate high on communications of their sustainability efforts and integrating corporate social responsibility develop investment efficiency and ultimately increase their financial performance. Grounded in stakeholder theory, the purpose of this qualitative multiple case study was to explore strategies 5 chief sustainability officers within publicly held companies in New York can integrate into their annual reporting in order to generate maximum value for stakeholders. Data were collected …


Internet Of Things For Sustainable Community Development: Introduction And Overview, Abdul Salam Jan 2020

Internet Of Things For Sustainable Community Development: Introduction And Overview, Abdul Salam

Faculty Publications

The two-third of the city-dwelling world population by 2050 poses numerous global challenges in the infrastructure and natural resource management domains (e.g., water and food scarcity, increasing global temperatures, and energy issues). The IoT with integrated sensing and communication capabilities has the strong potential for the robust, sustainable, and informed resource management in the urban and rural communities. In this chapter, the vital concepts of sustainable community development are discussed. The IoT and sustainability interactions are explained with emphasis on Sustainable Development Goals (SDGs) and communication technologies. Moreover, IoT opportunities and challenges are discussed in the context of sustainable community …


Internet Of Things In Agricultural Innovation And Security, Abdul Salam Jan 2020

Internet Of Things In Agricultural Innovation And Security, Abdul Salam

Faculty Publications

The agricultural Internet of Things (Ag-IoT) paradigm has tremendous potential in transparent integration of underground soil sensing, farm machinery, and sensor-guided irrigation systems with the complex social network of growers, agronomists, crop consultants, and advisors. The aim of the IoT in agricultural innovation and security chapter is to present agricultural IoT research and paradigm to promote sustainable production of safe, healthy, and profitable crop and animal agricultural products. This chapter covers the IoT platform to test optimized management strategies, engage farmer and industry groups, and investigate new and traditional technology drivers that will enhance resilience of the farmers to the …


Internet Of Things For Water Sustainability, Abdul Salam Jan 2020

Internet Of Things For Water Sustainability, Abdul Salam

Faculty Publications

The water is a finite resource. The issue of sustainable withdrawal of freshwater is a vital concern being faced by the community. There is a strong connection between the energy, food, and water which is referred to as water-food-energy nexus. The agriculture industry and municipalities are struggling to meet the demand of water supply. This situation is particularly exacerbated in the developing countries. The projected increase in world population requires more fresh water resources. New technologies are being developed to reduce water usage in the field of agriculture (e.g., sensor guided autonomous irrigation management systems). Agricultural water withdrawal is also …


Internet Of Things In Water Management And Treatment, Abdul Salam Jan 2020

Internet Of Things In Water Management And Treatment, Abdul Salam

Faculty Publications

The goal of the water security IoT chapter is to present a comprehensive and integrated IoT based approach to environmental quality and monitoring by generating new knowledge and innovative approaches that focus on sustainable resource management. Mainly, this chapter focuses on IoT applications in wastewater and stormwater, and the human and environmental consequences of water contaminants and their treatment. The IoT applications using sensors for sewer and stormwater monitoring across networked landscapes, water quality assessment, treatment, and sustainable management are introduced. The studies of rate limitations in biophysical and geochemical processes that support the ecosystem services related to water quality …


Macro - And Microstructure Evaluation And Field Applications Of Concrete With Recycled Glass Pozzolan, Marija Krstic Jan 2020

Macro - And Microstructure Evaluation And Field Applications Of Concrete With Recycled Glass Pozzolan, Marija Krstic

Dissertations and Theses

Concrete is the most used material in the world, second only to water. Conventional concrete is produced with Portland cement (PC). The production of cement is an energy intensive operation that has raised significant environmental concerns, since one ton of cement generates an equal ton of CO2. In the USA about 90 million tons of cement are used annually, with 3 million tons used in New York. Most contemporary concrete applications for buildings and infrastructure use high-performance concrete (HPC) mixtures which are produced by replacing a percentage of cement with supplementary cementitious materials (SCMs), consisting mainly of fly-ash …