Urbanization has contributed hugely to economic and social development. Cities today represent 80% of global GDP. Urban areas have created livelihood avenues and made societies stronger. However, rapid urbanization has brought in its wake a host of formidable challenges. Some climate change and environmental problems are very urban-specific. Around 70% of the global population will be urban in the next ...

  Thomas Malthus was wrong for one simple reason. Humans have survived his 1798 forecast that growing populations wouldn’t be able to feed themselves because innovation and productivity gains allowed them to produce more and more with the same amount of labour and capital: Irrigation, fertilizers, higher-yielding plant species and mechanization have enabled farmers to grow 5 to 6 times ...

  With inflation in the euro zone starting to show signs of life, European Central Bank watchers are beginning to speculate about when quantitative easing might taper off. Germany’s Bundesbank, which has been uncomfortable with the bond-buying program from the get-go, is likely to be a leading advocate of scaling back purchases. But there are significant risks to moving too ...