How sustainable is electricity? 

What is the best technology to produce it?

These questions are often asked and the answers are not clear-cut.
Leonardo ENERGY has produced this eco-sheet to help clarifying the issue. The environmental burden of generating one kWh from 7 different energy sources is quantified. It shows that there is no silver bullet solution.

Much more [...]

Environmental impact of the PV life-cycle
 
All means of electricity generation, including photovoltaic (PV) systems, create polluting emissions when the entire life-cycle is taken into account. In the case of PV systems, those emissions are concentrated in the manufacturing stage. PV manufacturing is energy intensive, resulting in the emissions that accompany the [...]

What’s the difference?
In these times of climate change concern, individuals and organizations alike are eager for measurable criteria to compare the impact of products and services on global warming. The notions of ‘Life Cycle Assessment’, ‘Carbon Footprint’, and ‘Ecological Footprint’ often appear in the media, but their exact meaning and the differences between them are [...]

Based on a Discussion Webinar, Friday, 18 January 2008
How best to heat a house is a question that is often hotly debated. On one side, it is a purely personal choice affecting our daily life and personal comfort and productivity. But on the other side, given the enormous amount of heating energy the global built [...]

Carma.org is an immediate success

Carma stands for Carbon Monitoring for Action. Carma.org is a Web tool on which you can look up the carbon emissions of all of the world’s power plants. Starting from a world map you can zoom in to find the power plant locations, and then you can [...]