Rising environmental awareness around the world and sublimed fear about future negative consequences of today s inaction makes us all to question our self and ask: What can we do? This book reasons many small steps that need to be taken in advanced economies in order to reduce GHG emissions. If large and rich countries pursue more aggressive policy toward clean energy they are paving the way of future securities for them and developing countries. Clean environment is a common fight of governments, companies, financial sector and each person, action is stretching from legislation, measurements, incentives, fines, building capacities, every day action and realizing the potentials. Future is not a distant dream on the time scale but incorporates today s decisions, actions and dreams and we need to realize that future lies in us today. Calculation, literature, knowledge all is available what is needed is our action to make it happen. Let s start even today by reading the book.