Electricity and heat generation are key contributors to global emissions of greenhouse
gases (GHG). In this paper, specific attention is paid to renewable energy technologies …

Sustainable development requires methods and tools to measure and compare the
environmental impacts of human activities for various products (goods and services) …

The energy returned on invested, EROI, has been evaluated for typical power plants
representing wind energy, photovoltaics, solar thermal, hydro, natural gas, biogas, coal and …

The appropriateness of the fossil Cumulative Energy Demand (CED) as an indicator for the
environmental performance of products and processes is explored with a regression …

Wind turbines, used to generate renewable energy, are typically considered to take only a
number of months to produce as much energy as is required in their manufacture and …

At the present moment in time, renewable energy sources have achieved great significance
for modern day society. The main reason for this boom is the need to use alternative sources …

Despite the fact that the structure and technology of most modern wind turbines differs little
over a wide range of power ratings, results from existing life-cycle assessments of their …

The paper presents a life cycle assessment of two lighting technologies based on compact
fluorescent (CFL) and Light Emitting Diode (LED) luminaires for the general lighting of the …

This paper proposes a multi-population genetic algorithm (MPGA) program for wind turbine
layout optimization in a wind farm which aims at extracting the maximum power in a …

The biodegradable plastics were introduced in the 1980s to detect possible renewable
feedstock to produce nonpetroleum‐based plastics as well as to reduce the environmental …