Property bubbles have a habit of ignoring the fundamentals of having a roof over your head. The UK’s real-estate boom of the past decade was driven — especially in London — by government subsidies for buyers, cheap mortgages, and a fixation among investors that prices never go down. The less affordable homes became, the more they were sought after. It ...

Mark Zuckerberg is starting to suck Facebook Inc.’s eponymous product dry as far as rapid growth is concerned. Next target: Instagram. That might explain the departure of Instagram co-founders. Six years after Zuckerberg acquired their then 13-person startup for $715 million, the photo-sharing app has become Facebook’s most important source of growth. Zuckerberg has subsequently assumed a more hands-on role, ...

The potential costs of climate change, already the subject of heated debate, may actually be understated. It’s not just the potential disruptions to weather systems, agriculture and coastal cities; it’s that we may respond to those problems in stupid and destructive ways. As the philosopher and cartoon character Pogo said: “We have met the enemy and he is us.” Consider ...