This yearly is uniquely marked as a year of extremes: drought , flood, tornado and other exterme weather have become the hall mark of this year. And now scientists for the first time are liking these phenomenon to climate change.

For the first time, US government scientists are saying recent extreme weather events are likely connected to man-made climate change. It's the conclusion of a report by the National Oceanic and Atmospheric Administration (NOAA) according to CBS News.

According to US government scientists "What we're seeing, not only in Texas but in other phenomena in other parts of the world, where we can't explain these events by natural variability alone. They're just too rare, too uncommon."

Climate change can occur through natural process without interference by mankind in what is termed as natural variability. But according to the UN Intergovernmental Panel on Climate Change (IPCC), climate change is said to occur due to fossil fuel as induced by mankind and if such change persist for at least a decade. According to US government scientists "What we're seeing, not only in Texas but in other phenomena in other parts of the world, where we can't explain these events by natural variability alone. They're just too rare, too uncommon."