One focus of the G20 Summit in Hamburg in July 2017 was the United Nations’ sustainable development goals, including those set for the water sector. Despite progress, around 800 million people worldwide do not have adequate access to drinking water. Increasing block tariffs are an instrument...

The world needs to continue working to protect the climate—this is generally undisputed. However, there is no agreement on which technologies should be used to decarbonize the energy sector. Many international scenarios still assume a relevant role for nuclear power in the future. However, a...

The demographic change is posing many challenges for government budgets. In the face of a shrinking work force, keeping the number of workers and thus pension contributors at the highest possible level is a key economic policy goal. This could be achieved if people retire from the work force...