EarthPrague gas explosion highlights ageing pipeline danger An explosion in central Prague that injured up to 40 people illustrates the risk of leaks from 100-year-old infrastructure in countries around the world 51¶¯Âþ
EarthVolcanoes mark the spot for Africa's buried energy treasure East Africa is sitting on a mother lode of geothermal energy. Could volcanoes be the key to tapping it? Features