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Challenges, Volume 4, Issue 1

June 2013 - 9 articles

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Articles (9)

  • Article
  • Open Access
6 Citations
7,829 Views
20 Pages

20 June 2013

Solar-to-electricity energy conversion and large scale electricity storage technologies are key to achieve a sustainable development of society. For energy conversion, photoelectrochemical solar cells were proposed as an economic alternative to the c...

  • Article
  • Open Access
3 Citations
8,993 Views
17 Pages

10 May 2013

Collaborative media entail an emerging set of digitally mediated practices, characterized by collaborative communicative action within organically developing, cross-medial infrastructures. We argue that computers are increasingly turning from tools...

  • Article
  • Open Access
9 Citations
7,577 Views
13 Pages

10 May 2013

The development of interactive technology is often based on the assumption of need to reduce the physical action and cognitive load of the user. However, recent conceptualizations, supported by research in various fields of science, emphasize human p...

  • Review
  • Open Access
10 Citations
8,877 Views
11 Pages

Carbon nanotubes (CNTs) are increasingly being used in electronics products. CNTs have unique chemical and nanotoxicological properties, which are potentially dangerous to public health and the environment. This report presents the most recent findin...

  • Article
  • Open Access
33 Citations
9,649 Views
19 Pages

Crafting environmental policies that at the same time enhance, or at least not reduce people’s wellbeing, is crucial for the success of government action aimed at mitigating environmental impact. However, there does not yet exist any survey that refe...

  • Article
  • Open Access
7 Citations
6,183 Views
22 Pages

17 April 2013

ToSIA (Tool for Sustainability Impact Assessment) offers a transparent and consistent methodological framework to assess impacts of changes (technological, policy, management, etc.) in the forest-based sector. This tool is able to facilitate the deci...

  • Article
  • Open Access
13 Citations
11,518 Views
15 Pages

14 March 2013

Current models for Information and Communication Technology (ICT) products encourage frequent product replacement with newer versions that offer only minor incremental improvements. This pattern, named planned obsolescence, diminishes user experience...

  • Correction
  • Open Access
1 Citations
4,818 Views
2 Pages

5 February 2013

It has come to our attention that our paper “Challenges in Improving Energy Efficiency in a University Campus through the Application of Persuasive Technology and Smart Sensors” [1] contains some minor errors. Based on that we have done some minor co...

  • Article
  • Open Access
3 Citations
6,471 Views
16 Pages

23 January 2013

Low-Energy District Heating (DH) systems, providing great energy savings by means of very low operating temperatures of 55 °C and 25 °C for supply and return respectively, were considered to be the 4th generation of the DH systems for a low-energy fu...

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Challenges - ISSN 2078-1547