Governments worldwide have agreed that international climate policy should aim to limit the increase of global mean temperature to less than 2°C with respect to pre-industrial levels. The purpose of this paper is to analyse the emission reductions and related energy system changes in various...

We review energy and economic requirements, available technologies, and limiting factors for direct air capture systems. As the concentration of carbon dioxide in the Earth's atmosphere continues to increase, discussion about various methods to bring this gas under control intensify. Current...

The latest projections from pre-2004 EU Member States (EU-15) show that greenhouse gas emissions could be brought down to 8.0 % below 1990 levels by 2010. If all existing and planned domestic policy measures are implemented and Kyoto mechanisms as well as carbon sinks are used, the EU-15 will...