Renewable energy, climate change and water resources

The sustainability, innovateability and environmental protection are among the most unprecedentedly discussable topics for human and living creatures’ maintenance in the world. The more is the anthropogenically activities the more became each one of these subjects scientifically, economically, socially, industrially and politically. The basic elements for these topics and activities are the energy in the forms of renewable sources, climate change and especially their impacts on precious fresh water resources. Each one of these subjects deserves detailed informative and knowledgeable assessments first on the scientific bases, but their interactive assessment is presented in this chapter from human, engineering and climate change as well as variability points of views.