Making the sustainability change

It strikes me as very strange that we have known about climate change and the risks associated with it for many decades, yet individuals, politicians and business leaders are doing so little. With such overwhelming evidence, why do we find it so difficult to change? Change is perceived as hard. The unknown frightens us. We may be worse off than before, so why bother opening that door? But what if we changed our paradigm and open ourselves to a new realm of possibilities and potential?