British bank HSBC thinks the world will run out of oil within 50 years, given current consumption. If usage climbs, oil will end sooner. Substitutes such as biofuels could delay an oil shortage, but only if oil exceeds $150 per barrel. Other analysts argue new supplies will suffice for years. GR

CITY TECH BLOG
Architecture & Climate Change
Architecture in recent years has been trying to combat the negative effects of construction on the atmosphere by leaning towards using more sustainable building and construction materials. Building high performance houses are one way that architects have been creating new buildings to reduce the energy used which is