The phenomenon of Venice floods, "acqua alta" in Italian, is caused by a combination of factors, exacerbated by climate change - from rising sea levels and unusually high tides to land subsidence that has caused the ground level of the city to sink.
Thousands of protesters marched in front of Frankfurt's IAA car show on Saturday to demand a swift end to combustion engines and a shift to environmentally friendly vehicles as Chancellor Angela Merkel's government prepares to unveil climate protection measures.
Above average temperatures are set to continue in most of Europe during the September to November period, forecasts by The Weather Company showed on Tuesday.