A high-resolution geomorphological map covering the central part of a low mountain range close to the city of Aachen in the border region of western Germany and eastern Belgium is presented. It is conceptually based on the 'Geomorphologische Karte 1:25,000' (GMK) which was developed by German...

In order to promote CO₂ emission reductions at the local level, the Ministry of Environment of the State of Hamburg, Germany, in 2001 initiated the "Hamburg CO₂ Competition" together with the Hamburgische Electricitäts-Werke AG (HEW), the local utility. This proactive step contrasted with...

One and a half decades of climate negotiations have directly caused greenhouse gas emissions of about 150,000 t CO₂. At prevailing market prices, making the full negotiation process greenhouse-gas-neutral ex post would cost about US$0.5 million, which is a fraction of the cost of the conferences.