LIBS1910 Environmental Science

LIBS1910 Environmental Science

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LIBS1910 Environmental Science

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LIBS1910 Environmental Science

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Course Code: LIBS1910
University: Conestoga College is not sponsored or endorsed by this college or university

Country: Canada



Analyze the major environmental issues related to overconsumption
Evaluate methods to minimize overconsumption
Research and describe an innovative product that helps to address overconsumption


Select a product that is considered to be environmentally friendly either through branding or fact-based claims. Chose one that attempts to meet the following criteria:
Minimize or lower impact(s) on the environment when created / manufactured, used, and/or disposed of when compared to an existing product.
Contributes to a “circular materials economy” instead of a linear materials economy (as described in the YouTube Video – the Story of Stuff).
Create a one-page infographic, summary, flow diagram, smart-art or mindmap to describe:
How your selected environmentally friendly product helps to address the environmental issues associated with overconsumption and consumerism.
How your selected product is claimed to be an environmentally superior option to similar existing products in one or more stages of their lifecycle (e.g. resource use, manufacturing, transport, consumption, end-of-life).

Environmental Science Conestoga College – John-Michael Davis

How this product, or the system it is embedded within, can be improved to reduce environmental impacts throughout it’s entire lifecycle.
Other fun facts about these items!


Polymers from recoverable resources has invited an ever-escalating heed over the recent twine decades, principally for two rationales: environmental heed and the acknowledgement of the finite life of petroleum resources. Predominantly, polymers from recoverable resources are grouped into three categories: natural polymers including polyose, protein, and cellulose; chemical synthesized polymers from bio-extracted monomers including poly (carboxylic acid) and solicone polymer from microorganism turbulence polyhydroxybutyrate. Here, the polymer, Natural Fiber composite as a recoverable resource, in particular, is considered based on established facts as used and illustrated to exhibit prospective for the utilization as polymeric substances. Relevant contrasts are inclusively made betwixt innate and artificial polymers and their contribution to circular material economy. Polysaccharides are amid the vast relevant recoverable resources known in humanity. Broadly have they been employed for a while for nutriment (polyose), outfit (gossypium, linen, and rope), conveyance (paper), wrapping (board), with not the least the building (timber). Other to these ancient utilization , other non-food commodities have been created to partially substitute artificial commodities which are either factored on non-recoverable resources or factored on ancient polysaccharide substances.
Nature does furnish an awe-inspiring disposition of polymers which can be utilized in fibers, binders, plating, gels and thermoset exudates. The research and consumerism of natural polymers is an early in time science. Apparent instances, including paper, silk, skin, and bone artifacts established in gallery across the globe are innate polymers that enhance spread set of purposes in their domestic niche. Such that, the polysaccharides role in layer and humor conveyance; proteins role as systemic substances and spur while lipids role as vigour reserve. Nevertheless, the attainability of fossil fuel at a reduced expense and the biochemical quiescence of fossil fuel-based commodities has proven catastrophic for the natural polymers merchandise. These early substances have advanced fast over the recent biennium, fundamentally due to surrounding concerns and the elevating scarcity of fossil fuel. Modern technologies have furnished robust instruments to clarify microstructures at various extents and to bring forth the understanding of the interconnection betwixt systems and features. These apparent extents of comprehension ensnare chances to evolve substances for contemporary implementation. These broad extents of innately existing polymers obtained from recoverable resources are handy for different substances applications and are assiduously used in commodities today while vast stand not taken in advantage. Innate polymers may occasionally be categorized in accordance to their physical disposition (Besson, Gallezot, & Pinel, 2014).
Continuity, factory ecology, eco-efficiency, and green chemistry governs the evolution of the succeeding generation of substances, commodities, and processes (Beghin, 2016). Biodegradable and biocompatible composite substances produced from recoverable biomass feedstock are considered as auspicious substances that could substitute derivative polymers and lessen the global over-reliance on fossil fuel origins. As a reaction, chitosan has now become the subject of extreme research for years (Beghin, 2016). This vogue stems from the fact that it is obtained from chitin and in addition to that, it is the second most copious non-derivative occurring polysaccharide instituted in the exoskeletons of crustaceans. Chitosan (CS) is biodegradable, biocompatible, and exhibits salient composition and features that has been prosperously utilized in many implementations such as in hemostasis, germicidal and fungicide, medicine conveyance and a superb sorbent material for diverse organic and inorganic waste products (Besson, Gallezot, & Pinel, 2014).
The environmental impacts of polysaccharide commodities (specifically, the natural fiber admixtures) in contrast to their equivalents either petrochemical commodities or common polysaccharides have been based on the most broadly acknowledged procedure for the appraisal of environmental concerns referred to as life cycle assessment (LCA). LCA is regulated by the International Organization for Standardization (ISO) (Shen, 2008). The ISO standard that addresses this subject (the 14040 program) has the following four facets; ISO 14040: 1997 (Proposition and Structure); ISO 14041: 1998 (Objective and Extent definition with Catalogue survey); ISO 14042: 2003 (Existence Sequence Impact evaluation) and ISO 14043: 2003 (Elucidation). Of the two vast apparently utilized structure in LCA research, cradle-to-grave sleeves entire strides of the structure cradle-to-factory gate and additionally, the utilization and the ejection stage with the merit of housing entire stages of the life cycle. Mid-point extent form of effects is shown where the existence process register data that entitles the different categories of discharges and raw substance necessities, are metamorphosed into surrounding outcome groups, such as the benefaction to world warming or to acidulation. End-point extent outcomes are determined by numbering various outcome groups with massing features, steering to an all-inclusive surrounding result for a commodity.
Natural fiber admixtures formed of plant fiber-fortified thermoplastic polymers e.g. linen, and abaca are utilized in automotive elements as surrogates for glass fiber admixtures. Both surrounding and fiscal concerns, these admixtures are apparently more and further striking as fortifying agent for admixture substances. Juxtaposed to glass fiber, these require decreased energy for making and additionally, they lessen the weight of automobiles thus consequently improving the fuel providence (Shen, 2008). From the studies conducted on energy and greenhouse gas savings per element (panel), the picture clear is of the merits of innate fiber admixtures in aspect of NREU reserve (Shen, 2008).  
The utilization phase of natural fiber admixtures, chiefly as an element in transportation structures, pertains an additional environmental advantage than the manufacture phase. At least 95% of the manufacturing energy is conserved in the use phase. For lengthy space movements, the vigor conservation can be elevated as 300% of the vigor needed to manufacture a new ambit (Shen, 2008).
In the ejection stage, extreme burning with vigor recuperation decreases the net non-renewable energy use of natural fiber admixtures (collated to cradle-to-factory gate), while, for glass fiber, it steers to an elevation of 0.0017 GJ/kg glass fiber due to the additional energy needed in waste extreme burning (T Corbière-Nicollier, 2008). Due to the short energy merit of innate fibers, the vigor reduction from extreme burning of refuse is trivial for innate fibers (the enrygy value of linen fiber is 0.016 GJ/kg, while that of ABS and PP is approximately 0.040-to-0.045 GJ/kg). Nevertheless, the general energy conservation of natural fiber admixtures is subjugated by the propellant conservation during the use step (view segment above for “Utilization Phase”). Thus, basing the cradle-to-grave, natural fiber admixtures permit reserving/conserving significantly more NREU compared to glass fiber admixtures and fossil fuel polymers.
Beyond extreme burning, recycling is a favorable substitute for disposal. The recycling outlay is an analytical factor for the scope to which surrounding outcomes can be lessened (Shen, 2008). An additional disposal alternative can be landfilling. Nevertheless, due to different ratifications, waste disposal site is not an alternative longer in vast states specifically in the EU.
Beghin, J. B.-C. (2016). THe impact of an EU-US Transatlantic Trade and Investment Partnership Agreement on Biofuel and Feedstock Markets. Journal of Agricultural Economics, 15-25.
Besson, M., Gallezot, P., & Pinel, C. (2014). Conversion of Biomass into Chemicals over Metal Catalysts. Chemical Reviews, 1827-1870.
Shen, L. &. (2008). Life Cycle Assessment of Polysaccharide Materials. Journal of Polymers and the Environment, 154-159.
T Corbière-Nicollier, B. L. (2008). Life cycle assessment of biofibres replacing glass fibres as reinforcement in plastics. Resources, Conservation and Recycling, 267-287.

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