Evenementen en Festivals zijn voor steden tegenwoordig serious business. Ze zijn bepalend voor het imago van de organiserende stad en ze trekken honderdduizenden bezoekers, voor wie het soms een eerste kennismaking met de stad betekent. Zo ook voor de gemeente Den Haag die haar evenementen prominent inzet als stedelijk marketinginstrument. Daarnaast zorgen evenementen jaarlijks voor enkele miljoenen euro's aan omzet en dus ook voor werkgelegenheid in de stad. De gemeente Den Haag wil weten of haar evenementen milieubewuster kunnen en is op zoek naar praktische mogelijkheden. Tegelijkertijd staat het behoud en de stimulering van evenementen hoog in het vaandel. Daarom heeft wethouder Duurzaamheid, de heer R. Smits aan de Haagse Hogeschool gevraagd een 'Roadmap' voor Green Events op te stellen. Dit in het kader van het 'Partnership Duurzame Transitie Den Haag' De Haagse Hogeschool heeft, ter aanvulling van de eigen expertise, advies- en ingenieursbureau DHV ingeschakeld om de vraag van de gemeente Den Haag te beantwoorden. Een 'Green Event' is een evenement met een uitgekiend milieuplan. Daarbij gaat het om mogelijke maatregelen op het gebied van watergebruik, energie, mobiliteit (hoe komen en gaan de bezoekers) en afval. De Kernvraag van het onderzoek is: Hoe kan op efficiënte en evenementvriendelijke manier een 'vergroening' van de Haagse evenementen worden doorgevoerd?
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Information and Communication Technologies (ICTs) affect the environment in various ways. Their energy consumption is growing exponentially, with and without the use of ‘green’ energy. Increasing environmental awareness within information science has led to discussions on sustainable development. ‘Green Computing’ has been introduced: the study and practice of environmentally sus- tainable computing. This can be defined as ‘designing, manufacturing, using, and disposing of com- puters, servers, and associated subsystems - such as monitors, printers, storage devices, and net- working and communications systems - efficiently and effectively with minimal or no impact on the en- vironment’. Nevertheless, the data deluge makes it not only necessary to pay attention to the hard- and software dimensions of ICTs but also to the value of the data stored. We explore the possibilities to use information and archival science to reduce the amount of stored data. In reducing this amount of stored data, it’s possible to curb unnecessary power consumption. The objectives of this paper are to develop a model (and test its viablility) to [1] increase awareness in organizations for the environ- mental aspects of data storage, [2] reduce the amount of stored data, and [3] reduce power consump- tion for data storage. This model integrates the theories of Green Computing, Information Value Chain (IVC) and Archival Retention Levels (ARLs). We call this combination ‘Green Archiving’. Our explora- tory research was a combination of desk research, qualitative interviews with information technology and information management experts, a focus group, and two exploratory case studies. This paper is the result of the first stage of a research project that is aimed at developing low power ICTs that will automatically appraise, select, preserve or permanently delete data based on their value. Such an ICT will automatically reduce storage capacity and curb power consumption used for data storage. At the same time, data disposal will reduce overload caused by storing the same data in different for- mats, it will lower costs and it reduces the potential for liability.
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Chemical preservation is an important process that prevents foods, personal care products, woods and household products, such as paints and coatings, from undesirable change or decomposition by microbial growth. To date, many different chemical preservatives are commercially available, but they are also associated with health threats and severe negative environmental impact. The demand for novel, safe, and green chemical preservatives is growing, and this process is further accelerated by the European Green Deal. It is expected that by the year of 2050 (or even as soon as 2035), all preservatives that do not meet the ‘safe-by-design’ and ‘biodegradability’ criteria are banned from production and use. To meet these European goals, there is a large need for the development of green, circular, and bio-degradable antimicrobial compounds that can serve as alternatives for the currently available biocidals/ preservatives. Anthocyanins, derived from fruits and flowers, meet these sustainability goals. Furthermore, preliminary research at the Hanze University of Applied Science has confirmed the antimicrobial efficacy of rose and tulip anthocyanin extracts against an array of microbial species. Therefore, these molecules have the potential to serve as novel, sustainable chemical preservatives. In the current project we develop a strategy consisting of fractionation and state-of-the-art characterization methods of individual anthocyanins and subsequent in vitro screening to identify anthocyanin-molecules with potent antimicrobial efficacy for application in paints, coatings and other products. To our knowledge this is the first attempt that combines in-depth chemical characterization of individual anthocyanins in relation to their antimicrobial efficacy. Once developed, this strategy will allow us to single out anthocyanin molecules with antimicrobial properties and give us insight in structure-activity relations of individual anthocyanins. Our approach is the first step towards the development of anthocyanin molecules as novel, circular and biodegradable non-toxic plant-based preservatives.
In recent years, organizations across Europe, and the Netherlands in particular, have increasingly supported efforts to enhance the sustainability of festivals such as the European Climate Pact, launched by the European Commission as part of the European Green Deal, European Festivals Association and Green Deals Circular Festivals in the Netherlands (European Union [EU], 2025). As a result, festivals across Europe are growing their environmental stewardship and serving as prototypes for wider societal transitions towards sustainability (Calvano, 2024; Irimiás et; al., 2024). However, festival organizers and other stakeholders still face challenges in developing effective communication strategies that truly activate more sustainable behaviour among festival goers (Harms et. al., 2023). Generic, one-size-fits-all approaches are often applied, yet they tend to have limited impact. This is also due to the diverse nature of music festivals, ranging from indoor to outdoor settings, single-day events to multi-day experiences, and from urban to rural locations, all of which shape the audience, context, and communication needs in unique ways (Tölkes & Butzmann, 2018; Dodds et. al., 2020). Essentially, festivals are ideal for informing, experiencing and activating sustainable behavioural change through effective communication before, during and after festivals. It is therefore crucial that a more targeted approach is utilized where messages can be tailored to make communication more effective (Temmerman & Veeckman, 2024). To address pressing sustainable and social challenges within the festival sector, NHL Stenden (NHLS) will collaborate with ESNS and Thansk on a design research project. In partnership with a network of festival organizers, industry professionals, and experts, the project will explore effective communication strategies for sustainability. The goal is to develop an actionable, research-informed roadmap that supports music festivals in enhancing their sustainability communication tailored to the sector’s dynamic and diverse nature.
In Nederlandse steden zijn de gevolgen van klimaatverandering steeds duidelijker zichtbaar. Hittegolven, zware regenbuien en periodes van droogte wisselen elkaar steeds vaker af, wat leidt tot ontwrichting van het stedelijke leven. Dit vraagt om grote aanpassingen in de stad om de verwachte weersextremen het hoofd te bieden. Steden reageren door steeds meer groenblauwe ingrepen te implementeren, die niet alleen helpen bij het opvangen en verzachten van deze weersevents, maar ook bijdragen aan biodiversiteit en recreatie. De laatste jaren is er echter een groeiend besef dat deze klimaatmaatregelen ook risico’s voor de volksgezondheid en het welzijn van mensen met zich mee kunnen brengen. Als deze maatregelen niet goed worden uitgevoerd of beheerd, kan dit leiden tot overlast van bepaalde dieren zoals steekmuggen en teken, die ziektes zoals het Westnijlvirus en de ziekte van Lyme kunnen verspreiden. In het KlimAzo! project werken Aeres Hogeschool (de penvoerder), Hogeschool InHolland, HAS Green Academy, en Hanze Hogeschool samen met het RIVM, (CMV) NVIP-NVWA, regionale GGD’s, gemeenten en bedrijven. Het consortium onderzoekt hoe de overlast van steekmuggen en teken beperkt kan worden bij het nemen van klimaatadaptieve maatregelen. Het project bevat casestudies in Almere, Delft, Den Bosch en Groningen en biedt praktijkgerichte field labs waar studenten van de hogescholen gerelateerde kennis en vaardigheden opdoen. De opgedane kennis wordt omgezet in praktische richtlijnen en ondersteund door praktijkvoorbeelden zodat ruimtelijke ontwerpers en beheerders klimaateffectieve en veilige ruimtelijke maatregelen kunnen nemen.
