News Updates on Carbon Footprint: February -2019

Towards AN environmentally property and healthy Atlantic dietary pattern: Life cycle carbon footprint and biological process quality

Production and consumption of food features a vital result on temperature change. The result of various consumption habits on the atmosphere shouldn’t be below calculable, as there are totally different studies that mention the environmental impact related to different foods, particularly those of animal origin. The analysis of the Atlantic diet (AD), because the commonest dietary pattern in Northwestern European nation, is Associate in Nursing example of a diet with a high consumption of native, recent and seasonal product, home cookery and low-processed foods. The analysis was administrated by quantifying the carbon footprint following the Life Cycle Analysis methodology and distinguishing its biological process quality in step with the worth of the Nutrient-rich Dietary index (NRD9.3.). in step with the most results, the consumption of placental mammal product and shellfish is chargeable for most GHG emissions (70% of the total). the fundamental ingredients of the AD, like vegetables and legumes, build a comparatively minor contribution (with a control of three0% of the overall) to the total carbon footprint of 3.01 kg CO2eq•person−1•day−1. As regards biological process quality, AD features a high biological process score (474), principally because of the low intake of Na, supplementary sugars and saturated fats (nutrients to be restricted in healthy diets). In general, each the carbon footprint and therefore the biological process index score are according to those of different studies on the Mediterranean diet, that has been recognised as helpful. Therefore, it is all over that the AD could also be suggested from a biological process and environmental purpose of read, principally because of the high intake of fish and vegetables. The communication of this valuable environmental and biological process data to customers ought to be taken under consideration once considering strategic actions for the adoption of healthy and property dietary patterns. [1]

How do methodological choices affect the carbon footprint of microalgal biodiesel? A harmonised life cycle assessment

The environmental practicability of microalgal energy systems is usually evaluated through the Life Cycle Assessment (LCA) methodology. specifically, biodiesel derived from the transesterification of microalgal oil has been extensively assessed following a life-cycle perspective. once creating comparisons between these LCA studies, the consistency of the method selections ought to be a key demand to ensure the responsibleness of the comparative results and interpretations. However, a in harmony LCA framework isn’t sometimes found within the scientific literature once addressing comparative studies. during this work, the carbon footprint of microalgal biodiesel is revisited for a sample of thirty one LCA case studies so as to permit a reliable comparative study. As a key outcome, a in harmony LCA framework is outlined with target consistent method selections relating to useful unit, system boundaries, multifunctionality approach, and carbonic acid gas balance approach. moreover, the applying of this novel framework results in the supply of a library of thirty one strong carbon footprints of microalgal biodiesel. This harmonisation initiative proves to mitigate potential misunderstanding considerations by avoiding method inconsistencies. In fact, all the LCA method aspects in harmony during this work are found to play a big role in mitigating misunderstanding risk. for example, once benchmarking greenhouse emission emission savings with regard to fossil diesel, a strong comparative study victimisation in harmony carbon footprints ends up in a big reduction within the share of case studies meeting a sixtieth target. This highlights the connexion of LCA harmonisation once it involves facilitating decision-making processes below property and cleaner productions aspects. [2]

Carbon Footprint of Photovoltaic Energy

Until now we have a tendency to centered our study on the economic gain of a PV system and it clad that the investment was worthwhile for the finances of its owner. the following question is to grasp if this investment is additionally profitable for the planet. As PV is most of the time thought-about as a inexperienced energy, we have a tendency to are tempted to answer an excellent affirmative to it question doltishly additional. However, the fact isn’t very easy. it’s true that after put in PV modules turn out electricity while not carbon emission, however their fabrication could be a method quite advanced that needs a major amount of energy and emits many GHG (Green House Gases). the target of this chapter is thus to quantify these emissions and to match them to the emissions adore the assembly of the national grid electricity. By doing thus, we’ll be able to verify the energy payback time and therefore the carbon footprint of our PV model. [3]

Do you know the carbon footprint of your food choices?

Shoppers greatly underestimate the distinction their food decisions will create to global climate change, however they’ll favour things with a lower carbon footprint if they’re given clear data on the label, in step with new analysis from the University of Technology Sydney and university. [4]

Assessing Carbon Footprints of Students in University of Agriculture Makurdi, Benue State, Nigeria

The aim of the study was to assess the carbon footprints of scholars within the University of Agriculture, Makurdi, Nigeria, to see the quantity of carbon generated from unaccounted sources. The study was administrated in March, 2016, in three out of ten faculties within the University, purposively selected  to involve students learning biology, Fisheries and Agricultural based mostly disciplines inside the North-Core of the University. the web carbon footprint calculator developed by World Wide Fund for nature (WWF), was used for the assessment. The calculator had well-structured inquiries to track carbon footprints generated by every student’s activities through food consumption, home, travel and stuff. Results obtained were analyzed mistreatment easy descriptive statistics and compared with the world international average of three.06 tonnes. [5]

Reference

[1] Esteve-Llorens X, Darriba C, Moreira MT, Feijoo G, González-García S. Towards an environmentally sustainable and healthy Atlantic dietary pattern: Life cycle carbon footprint and nutritional quality. Science of the Total Environment. 2019 Jan 1;646:704-15. (web link)

[2] Valente A, Iribarren D, Dufour J. How do methodological choices affect the carbon footprint of microalgal biodiesel? A harmonised life cycle assessment. Journal of Cleaner Production. 2019 Jan 10;207:560-8. (web link)

[3] Arcos-Vargas Á, Riviere L. Carbon Footprint of Photovoltaic Energy. InGrid Parity and Carbon Footprint 2019 (pp. 67-79). Springer, Cham. (web link)

[4] Do you know the carbon footprint of your food choices?

Date: December 17, 2018

Source: University of Technology Sydney (web link)

[5] Assessing Carbon Footprints of Students in University of Agriculture Makurdi, Benue State, Nigeria

E. T. Tembe

Department of Forest Production and Products, University of Agriculture, Makurdi, Nigeria.

A. A. Onah

Department of Forest Production and Products, University of Agriculture, Makurdi, Nigeria

S. A. Shomkegh

Department of Social and Environmental Forestry, University of Agriculture, Makurdi, Nigeria. (web link)