By Josep LAGO / AFP October morning temperatures topping 30 degrees Celsius (86 degrees Fahrenheit) in Spain may have brought cheer to the tourists, but they are provoking concern among environmentalists. October morning temperatures topping 30 degrees Celsius (86 degrees Fahrenheit) in Spain may have brought cheer to the tourists, but they are provoking concern among environmentalists. The mercury has been rising well above the norm across vast swathes of Europe, from Spain to as far north as Sweden. After a summer marked by repeated heatwaves across much of the continent, Europe is experienc…