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Analiza Pareto a zmiany klimatu : gospodarstwa domowe jako kluczowy potencjał redukcji szkodliwych emisji

Ciecieląg C., Ligus M.

Ekonomia i Środowisko

2014

nr 3

169--181

Celem artykułu jest przedstawienie możliwości ograniczania zmian klimatu przy użyciu technologii ekologicznych przez sektor gospodarstw domowych. W artykule została przedstawiona zasada Pareto, jako narzędzie pozwalające na wyłonienie kluczowych czynników wpływających na emisję gazów cieplarnianych, a następnie wybór działań możliwych do podjęcia przez obywateli, które przyniosą największy skutek przy użyciu ograniczonych zasobów. Wybór czynników najbardziej zanieczyszczających atmosferę, w tym tych, na które ma wpływ sektor gospodarstw domowych, został dokonany na podstawie przeglądu literatury oraz źródeł internetowych.

This article investigates potential of limiting climate change by household sector in Poland. Pareto analysis is presented as a tool for the selection of the key factors affecting the emission of greenhouse gases and in particular the factors which can be in control of citizens and their households. Ecological activities based on factors selected in such way should cause the largest effect out of resources engaged. Conducted three-level Pareto analysis is applied to complex groups of factors that affect the state of a large system (which is the Earth’s atmosphere). The analysis has shown that heating of buildings and hot water is one of a few largest areas of CO2 emissions influencing climate change – it constitutes 26% of total anthropogenic emissions. Within household sector heating is the single largest air polluting source. While share in total current CO2 emissions is important to determine most effective ecological activities – even more important is a potential of emissions’ reduction within various sectors of energy consumption in Poland. Literature review has shown that buildings (most of which are household buildings) constitute as high as 67% share in total potential of energy saving in Poland – which implies also the largest potential in CO2 reduction by households.

Green public procurement and requirements for contractors

Staniszewska A., Wyrwicka K.

Research in Logistics & Production

2012

Vol. 2, No. 3

221-231

Green Public Procurement is an undisputable potential, although still used to a limited extent in Poland. Creating demand is a domain of the public sector, since it is the largest beneficient of goods and services in the economy. The aim of this article is to show the importance of green public procurement, especially for the participants of this market - the Contractors. In particular, law regulations, related with public procurement, have been analyzed. According to assumptions of green procurement, the strategy of reducing negative impact on the environment should take into account all elements of the production chain, and therefore all suppliers. Standards selected properly for this purpose should cover the entire product lifecycle starting from its design, through manufacturing to disposal, and should address all environmental aspects that are affected by the company's business. The research also made an attempt to assess the engagement of contractors in the eco-procedures and the status of their knowledge on green public procurement.