### Geo-Energie: Konventionelle und unkonventionelle fossile Ressourcen

Brian Horsfield, Rolando Di Primio & Hans-Martin Schulz
Despite the upcoming shift in energy sources towards the environmentally friendly and renewable, conventional oil and gas resources should not be neglected. Fossil fuels are the current main energy source worldwide, accounting for over 75 % of the total energy budget. Though considerable investments in renewable energy have been made in recent years the dominance of fossil fuels will remain for many years to come. The long-term availability of fossil fuels depends on both effective...