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Abstract
Challenges in sustainable regional planning have been a hot topic of discussion in the past few decades. In this article, we analyze different approaches to regional development planning and explore their relevance to achieving sustainability in the area, while emphasizing the importance of the bottom-up approach in regional planning. We performed a bibliometric analysis to detect the state of research of the regional development planning and examined the program of forming a system for ensuring a region's sustainability. We concluded that it is crucial to create national development plans utilizing a regional approach, which involves local projects and programs that benefit not just the economy and ecological state of the regions but also the inhabitants of those regions.

At the present stage of development in Latvia, as well as around the world, essential influence on the enterprise work has the idea of sustainable development. The concept of sustainable development has become widespread amongst government agencies, politicians, corporations and other organizations throughout the world. By the end of 2007, around 129,031 organizations worldwide have implemented environmental management systems (EMS) and certified it according to ISO 14001. About 100 of them are located in Latvia and 40 of them are construction companies. There is a lack of national evaluations of ISO 14001 in many countries, but in many countries no complete lists of the national certified / registered sites exist at all. In Latvia a list of ISO 14001 sites has been complied and regularly updated by the Latvian association for Quality. In spite of the fact that in Latvia increase using of ideas of ecological manufacture and environmental management, nevertheless there has been no any serious scientific study of Latvian experience of ISO 14001. The purpose of this study is to describe experiences and effects of EMS in construction companies, based on study conducted for the construction industry in Latvia. The results show that ISO 14001 often leads to reduced environmental impact, especially in the area of waste. A strong driving force behind implementation is the expected improvement of the organizations' images. Legal compliance tends to be difficult to implement, but on the other hand, it works well in daily practice. To develop EMS into Sustainability Management Systems, the two most important challenges are to improve the coordination between the EMS and the organizations' strategies and to improve learning process and direct participation of all employees. Santrauka Šiuo Latvijos plėtros etapu, kaip ir visame pasaulyje, įmonių veiklą veikia tvarios plėtros idėjos. Tvarios plėtros koncepcija visame pasaulyje plačiai paplito tarp politikų, korporacijų, vyriausybinių ir kitų organizacijų. 2007 m. pabaigoje apie 129 tūkst. organizacijų visame pasaulyje įdiegė aplinkos apsaugos vadybos sistemą (AAVS) ir sertifikavo ją pagal ISO 14001 standartą. Iš to skaičiaus apie 100 įmonių yra įsikūrę Latvijoje, 40 iš jų yra statybos įmonės. Daugelyje šalių iš viso nėra įmonių, sertifikuotų pagal šį standartą. Latvijoje pagal ISO 14001 standartą sertifikuotų įmonių sąrašą sudaro ir nuolat atnaujina Latvijos kokybės asociacija. Nepaisant to, kad Latvijoje vis labiau plinta ekologinės gamybos ir aplinkosaugos valdymo idėjos, iki šiol nebuvo jokių rimtų mokslinių studijų apie Latvijos patirtį naudojant ISO 14001 standartą. Šio straipsnio tikslas – nustatyti aplinkos valdymo sistemos poveikį statybos įmonėms, remiantis tyrimais, atliktais Latvijos statybos pramonėje. Rezultatai parodė, kad ISO 14001 dažnai sumažina poveikį aplinkai, ypač taršą atliekomis. Stipri AVS įgyvendinimo varomoji jėga – noras pagerinti organizacijos įvaizdį. Sistemą įgyvendinti sudėtinga, tačiau tai pasiteisina kasdienėje veikloje. Norint AVS integruotiįtvarumo valdymo sistemą, AVS darbą reikia suderinti su organizacijos strategijomis, pagerinti mokymo procesą ir įtraukti visus darbuotojus. First published online18 January 2012 Reikšminiai žodžiai:aplinkos apsaugos vadybos sistema,ISO 14001,statybos pramonė,tvarioji plėtra,tyrimas

At the present stage of development in Latvia, as well as around the world, essential influence on the enterprise work has the idea of sustainable development. The concept of sustainable development has become widespread amongst government agencies, politicians, corporations and other organizations throughout the world. By the end of 2007, around 129,031 organizations worldwide have implemented environmental management systems (EMS) and certified it according to ISO 14001. About 100 of them are located in Latvia and 40 of them are construction companies. There is a lack of national evaluations of ISO 14001 in many countries, but in many countries no complete lists of the national certified / registered sites exist at all. In Latvia a list of ISO 14001 sites has been complied and regularly updated by the Latvian association for Quality. In spite of the fact that in Latvia increase using of ideas of ecological manufacture and environmental management, nevertheless there has been no any serious scientific study of Latvian experience of ISO 14001. The purpose of this study is to describe experiences and effects of EMS in construction companies, based on study conducted for the construction industry in Latvia. The results show that ISO 14001 often leads to reduced environmental impact, especially in the area of waste. A strong driving force behind implementation is the expected improvement of the organizations' images. Legal compliance tends to be difficult to implement, but on the other hand, it works well in daily practice. To develop EMS into Sustainability Management Systems, the two most important challenges are to improve the coordination between the EMS and the organizations' strategies and to improve learning process and direct participation of all employees. Article in English. Aplinkos apsaugos vadybos sistemų taikymo patirtis Latvijos statybos įmonėse Santrauka.Šiuo Latvijos plėtros etapu, kaip ir visame pasaulyje, įmonių veiklą veikia tvarios plėtros idėjos. Tvarios plėtros koncepcija visame pasaulyje plačiai paplito tarp politikų, korporacijų, vyriausybinių ir kitų organizacijų. 2007 m. pabaigoje apie 129 tūkst. organizacijų visame pasaulyje įdiegė aplinkos apsaugos vadybos sistemą (AAVS) ir sertifikavo ją pagal ISO 14001 standartą. Iš to skaičiaus apie 100 įmonių yra įsikūrę Latvijoje, 40 iš jų yra statybos įmonės. Daugelyje šalių iš viso nėra įmonių, sertifikuotų pagal šį standartą. Latvijoje pagal ISO 14001 standartą sertifikuotų įmonių sąrašą sudaro ir nuolat atnaujina Latvijos kokybės asociacija. Nepaisant to, kad Latvijoje vis labiau plinta ekologinės gamybos ir aplinkosaugos valdymo idėjos, iki šiol nebuvo jokių rimtų mokslinių studijų apie Latvijos patirtį naudojant ISO 14001 standartą. Šio straipsnio tikslas – nustatyti aplinkos valdymo sistemos poveikį statybos įmonėms, remiantis tyrimais, atliktais Latvijos statybos pramonėje. Rezultatai parodė, kad ISO 14001 dažnai sumažina poveikį aplinkai, ypač taršą atliekomis. Stipri AVS įgyvendinimo varomoji jėga – noras pagerinti organizacijos įvaizdį. Sistemą įgyvendinti sudėtinga, tačiau tai pasiteisina kasdienėje veikloje. Norint AVS integruotiįtvarumo valdymo sistemą, AVS darbą reikia suderinti su organizacijos strategijomis, pagerinti mokymo procesą ir įtraukti visus darbuotojus. Reikšminiai žodžiai: aplinkos apsaugos vadybos sistema,ISO 14001,statybos pramonė,tvarioji plėtra,tyrimas. First published online18 January 2012

Abstract
Sustainable economic development is driven by sustainable entrepreneurial activities, generated by the personal attitudes of entrepreneurs. The present and future of sustainable entrepreneurship are shaped by the youth, including students, which is why it is important to understand their attitudes towards this type of entrepreneurship. Therefore, the key goal of the research is to evaluate the attitudes and behaviours of the youth towards sustainability issues and sustainable entrepreneurship. The current article reflects the results of the second research stage and aims at evaluating attitudes towards sustainable entrepreneurship among Latvian and Lithuanian students. The results reveal that gender/age affect personal environmental attitudes, however gender/age has no effect on personal willingness to start a sustainable business. The analysis results of the personal attitudes to sustainable entrepreneurship differ by age and gender. Gender has no effect and age strongly affects personal attitudes to sustainable development.

Construction and Demolition Waste (CDW) creates the largest waste stream in the European Union. They consist of a heterogeneous mix of different components and constitute large amounts of waste which are often hazardous. Although some CDW is sent for recycling after the stripping and the demolishing of the building, a bigger share of the recovered CDW is restricted to low-value applications. It is widely accepted that reliable strategies and innovative technologies need to be developed to increase the share of CDW‑derived materials in new residential constructions while simultaneously minimizing future CDW. Moreover, awareness and understanding the high value of CDW derived materials should be reached to improve building energy efficiency. The aim of the research is to evaluate the level of awareness and attitude towards CDW among Latvian construction companies. It was found out that Latvian construction business community has a positive attitude to waste management activities, and understands its importance in sustainable development