[tag=DT | □] □
[tag=DT | □=□] □
[tag=DT | □ | □] □
Depending on assumptions and global warming potentials of the different pollutants involved , improving biomass stoves can achieve a double benefit in the form of lower GHG emissions and reduced ill-health . It is a visual event with television documentaries , photo exhibits and displays , as well as an intellectual event for those who organize and participate in seminars , roundtable meetings and symposia . In those swift-flowing muddy waters below her were many people who were not so lucky . While data currently preclude a full investigation along these lines , they are undoubtedly necessary for the future development of scenarios . For development to be sustainable , the stock of national capital at any given time in the future must be greater than the current amount . Since the future is , by definition , unknown , there is a need to develop mechanisms and methodologies which facilitate an understanding of the future . Some key issues to consider in the formulation of scenarios include : the boundary ; the current state ; the definition and determination of driving forces ; the narrative , or storyline ; and images of the future . Direct costs are dramatically illustrated when losses resulting from the impacts of floods , earthquakes , wind storms or fires on the infrastructure and property of the affected communities are evaluated and calculated against the expenditure required to rebuild or repair lost capital assets , and to provide aid and basic services to affected people . An increasing number of polices have already been adopted to support renewables , and many companies in the energy industry have recognized that the future is ‘ beyond petroleum ’ .