The world is unprepared for the increasing ferocity of wildfires turbocharged by climate change, scientists say, as blazes from North America to Europe greet the northern hemisphere summer in the hottest year on record. The world is unprepared for the increasing ferocity of wildfires turbocharged by climate change, scientists say, as blazes from North America to Europe greet the northern hemisphere summer in the hottest year on record. Environment Phys.org – latest science and technology news stories