climate change for that i'm joined by an expert from an independent weather information service mr vijay. this is our to thank you very much for being here with us today now in your view are there was natural disasters around the world. of course but there are several factors there first of all of course it's down to nature there's also the human factor is people's influence on nature is really positive but there's also a more global factor that i want to mention. the earth as a part of the universe is affected by outer space. for example solar activity and its variations on the cycle that we are witnessing is unique. right now the sun is more of the longest come periods of it cycle for decades usually they last for one or two years this time it's already been four years but during such periods the so-called meridian in the form of circulation develops bring normally airstreams go from west to east but during such a period as this they can go from south to north or vice versa russia among others has been badly affected by this meridian form of circulation this year. we've seen a cold win