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Biogas recovery is a very important issue nowadays both for the greater and greater interest in renewable energy resources and for the increasing problem of greenhouse gas reduction into atmosphere. In Italy, thanks to the new incentives scheme on biomethane, an interesting application for biogas deals with the separation and liquefaction of methane in order to produce an alternative vehicle fuel (LBG). The choice of the liquefaction technology has a big impact on the economics of such projects. The purpose of this paper is to present the feasibility analysis of a small scale biomethane plant taking into account investment costs, achievable energy efficiency and incentives available on the Italian market. It was assessed that an incentive higher than 0.35 €·Nm-3 of biomethane is necessary in order to make the project feasible.

Raw data provided for revised manuscript

Inland valleys are becoming increasingly important agricultural production areas for rural households in sub-Saharan Africa due to their relative high and secure water availability and soil fertility. In addition, inland valleys are important as water buffer and biodiversity hot spots and they provide local communities with forest, forage, and fishing resources. As different inland-valley ecosystem functions may conflict with agricultural objectives, indiscriminate development should be avoided. This study aims to analyze the diversity of inland valleys in Sierra Leone and to develop guidelines for their sustainable use. Land use, biophysical and socio-economic data were analyzed on 257 inland valleys using spatial and multivariate techniques. Five cluster groups of inland valleys were identified: (i) semi-permanently flooded with good soil fertility, mostly under natural vegetation; (ii) semi-permanently flooded with very low soil fertility, abandoned by farmers; (iii) seasonally flooded with low soil fertility under low input levels, used for rainfed rice and off-season vegetables for household consumption and market; (iv) well drained with moderate soil fertility under medium input levels, used for rainfed rice and off-season vegetables for household consumption and market; and (v) well drained with moderate soil fertility under low input levels, used for household consumption. Soil fertility, hydrological regime, physical and market accessibility were the major factors affecting agricultural intensification of inland valleys. Opening up the areas in which inland valleys occur through improved roads and markets, and better water control through drainage infrastructures along with an integrated nutrient management would promote the sustainable agricultural use of inland valleys.

Many people in developing countries are living in areas without electricity from grid. Therefore, obtaining a correct temperature storage of vaccines has been a challenge due to the lack of electricity to maintain the recommended storage temperatures. Currently, most of the vaccines have to be stored at temperatures between +2 °C and +8 °C at the service delivery points. For many years, photovoltaic power has been used for vaccine refrigerators with a lead-acid battery to store electric energy and to provide the start-up current that drives the compressor. The problem with this technology is that the lifetime of the battery is short due to deep discharging of the battery during periods with low sunshine/irradiance. The development of solar “direct drive” refrigerators started in 1999 at Danish Technological Institute (DTI). It was demonstrated that the energy capacity of ice produced by a compressor is at least of the same magnitude as the lead-acid battery. As of to date (February 2016), 24 direct-drive vaccine coolers from eight different manufacturers are listed on the WHO PQS website, with the technology being one of the fastest growing technologies in the vaccine cold chain. This paper endeavours to expound on the current status and discusses how the technology could be used for other purposes in the future.

Systematic review protocol registration

The dataset includes 90 global food system and land use scenarios developed with the model BioBaM-GHG 2.0. The scenarios have been developed for assessing the global potential of forest regeneration for climate mitigation to 2050 under various food system pathways, i.e. diets, crop yield developments, land requirements for energy crops, and two variants of grassland use. The scenarios include the following data on country level: Land use and land-use change, cropland area by crop group, grazing area by quality classes, crop production by crop groups, crop consumption by crop groups and use types, crop wastes (losses), net imports/exports, production and consumption of animal products, grass supply and demand, GHG emissions from land-use change, GHG emissions from agricultural activities, and total cumulated GHG emissions. The main model result in this context, cumulative carbon sequestration from forest regeneration until 2050, is calculated as difference between the parameters "GHG emissions from land use change (cumulative) (Mt CO2e)" and "GHG emissions from land use change excluding C stock changes from natural succession (cumulative) (Mt CO2e)". Please refer to the related publication "Exploring the option space for land system futures at regional to global scales: The diagnostic agro-food, land use and greenhouse gas emission model BioBaM-GHG 2.0" (Kalt et al., 2021 - currently under review at Ecological Modelling) for further information. This work was funded by the Austrian Science Fund (FWF) within project P29130-G27 GELUC.

The potential impact of the ICT, Food and Agriculture and Finance sector on children in Serbia and opportunities for shared valued partnerships with organisations and institutions supporting children and their rights. The major impact area for all three examined business sectors is the marketplace, from ensuring that products and services are safe to children and seeking to support children’s rights through them, and in using marketing and advertising that respect and supports children and their rights. The mapped key impact area creates related risks, which are also associated with the use and availability of products and services, their responsible promotion, and environmental risks posed to the local community. The opportunities for shared value partnerships for all three sectors can be found in advocacy initiatives on raising awareness on perceived risks that children could be exposed to using companies’ product and services and agenda-setting through influential sectoral platforms. Besides, child rights consideration should be integrated into all appropriate corporate procedures and committed by management processes. When it comes to financing, it should be covered from a broader angle, from strategic grants and contribution in-kind to the engagement of employees in terms of their time and expertise, and customers around the cause of the support and promotion of children’s rights in Serbia. Finally, a clear untapped potential can be found in innovative products and services and the expertise of the leading companies in the sector, which would make their offer more inclusive and impact on the overall well-being of children, thereby creating a business contribution to the Sustainable Development Goals.

This data set provides detailed numerical data on the Life Cycle Inventory (LCI) analysis for assessing and comparing the environmental impact related to the treatment of sewage sludge (SS) in open windrow facilities for the production of compost and in an anaerobic digester for the production of biogas. The collection of the data is included in eleven tables, in which the machinery and duration for biogas and compost production procedures, as well as comparative data regarding the environmental impact category emissions for both scenarios are shown . Furthermore, electricity consumption and embodied energy for each scenario compared to other studies are given. The system boundary conditions were determined with the use of the Gabi software.

This dataset contains raw model results from 2 different scenario's as part of a publication on the the Power-to-H3 concept for system integration in a neigbhourhood energy- and water system. It is being made public to act as supplementary data for publication(s) and the PhD thesis of Els van der Roest. Also, it might be used by other researhers. The dataset was created during model runs in the period between January 2019 - April 2019. Abstract of the paper: In the transition from fossil to renewable energy, the energy system should become clean, while remaining reliable and affordable. Because of the intermittent nature of both renewable energy production and energy demand, an integrated system approach is required that includes energy conversion and storage. We propose a concept for a neighbourhood where locally produced renewable energy is partly converted and stored in the form of heat and hydrogen, accompanied by rainwater collection, storage, purification and use (Power-to-H3). A model is developed to create an energy balance and perform a techno-economic analysis, including an analysis of the avoided costs within the concept. The results show that a solar park of 8.7 MWp combined with rainwater collection and solar panels on roofs, can supply 900 houses over the year with heat (20 TJ) via an underground heat storage system as well as with almost half of their water demand (36,000 m3) and 540 hydrogen electric vehicles can be supplied with hydrogen (90 tonnes). The production costs for both hydrogen (8.7 €/kg) and heat (26 €/GJ) are below the current end user selling price in the Netherlands (10 €/kg and 34 €/GJ), making the system affordable. When taking avoided costs into account, the prices could decrease with 20–26%, while at the same time avoiding 3600 tonnes of CO2 a year. These results make clear that it is possible to provide a neighbourhood with all these different utilities, completely based on solar power and rainwater in a reliable, affordable and clean way.