We use aggregated data from Facebook to study the structure of social networks across European regions. Social connectedness declines strongly in geographic distance and at country borders. Historical borders and unions - such as the Austro-Hungarian Empire, Czechoslovakia, and East/West Germany...

Chapter 1. The Root Causes of Our Environmental Crises We Ignore -- Chapter 2. Risks From Transition to Low Carbon Energies and Global Warming for FSU Countries -- Chapter 3. The General Situation with Climate Change in the World and Risk Assessment for the Global Economy -- Chapter 4. Why the...