In the past decade, innovations in hydraulic fracturing and horizontal drilling have fueled a boom in the production of natural gas (as well as oil) from geological formations - primarily deep shales - in which hydrocarbon production was previously unprofitable. Impacts on US fossil fuel...

Worldwide, feed-food competition for arable land is of rising concern. Swiss agricultural policy wants to promote grass-based cattle feeding through a voluntary direct payment program that is currently being revised. The current version of the program requires a minimum share of 75-85 per cent...