Technology

By Rizalino B. Cruz | Cities are taking the initiative to promote environmental sustainability. They provide incentives for buildings and homes to go green. They adhere to smart growth. They design urban space in a way that facilitates the interactions of human, nature, and built environment. And their latest efforts are directed toward clean energy. Many cities are not only encouraging residents to use but also produce their own electricity through renewable sources. But the road to clean energy is not a straight path. It has twists and turns and many obstacles along the way.

By Albert Meijer and Marcel Thaens | How can we make our cities safe? Entertainment areas in big cities are places of fun but also of trouble. Thefts and fights frequently occur on these areas when people gather in masses and drink large amounts of alcohol. Police presence may help to enhance safety but is costly and may even have adverse effects. A large police presence may give people the impression that there are problems! For these reasons, cities are looking for innovative ways to enhance the safety of entertainment areas.