Time travel has always been my passion. Certainly in 2050 I will not be there but to my children I would like to leave a healthier and cleaner world, possibly without wars . I think that , if the use of renewable sources goes on, surely it will be a better world also thanks to technology and new scientific discoveries to solve most incurable diseases. Surely there will be new discoveries in the 'universe and it will be possible to travel in space to new habitable planets that are cleaner than ours .