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
Impact of Climate Change & Alternative Energy Sources By City Tech Blogger Gamage Garusinghe
Climate change is one of the major topics everyone is talking about nowadays. The past two centuries have shown us in multiple ways the many impacts of climate changeĀ including the increase in atmospheric temperature, changing of the seasons, more precipitation in certain regions, more droughts in some