By L. D. Danny Harvey
Remodeling our power offers to be extra sustainable is noticeable by way of many to be the most important problem of our occasions. during this accomplished textbook, L.D. Danny Harvey units out in remarkable element the trail we needs to take to lessen the results that the way in which we harness power may have on destiny weather swap. The booklet opens by way of highlighting the significance of relocating to low carbon applied sciences for new release, then strikes directly to clarify the functioning, power and social/environmental concerns round: -solar strength -wind power -biomass strength -geothermal power -hydroelectric energy -ocean power -nuclear power It additionally covers the choices for carbon catch and garage and the contexts within which low carbon strength can top be applied (potential for neighborhood built-in structures, and the hydrogen economy). The ebook closes with eventualities that mix the findings from its spouse quantity (concerning the possibility of restricting destiny power call for) with the findings from this quantity (concerning the fee and power of C-free strength platforms) to generate eventualities that achieve restricting destiny atmospheric CO2 focus to not more than 450 ppmv. distinctive but obtainable, meticulously researched and reviewed, this paintings constitutes an indispensible textbook and reference for college students and practitioners in sustainable strength and engineering. on-line fabric contains: Excel-based computational routines, instructing slides for every bankruptcy, hyperlinks to unfastened software program instruments.
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Additional resources for Energy and the New Reality 2: Carbon-Free Energy Supply
1b shows the variation in primary power for low GDP/capita and low population growth and for high GDP/capita and population growth, each combined with slow (1 per cent/year) and fast (2 per cent/year) rates of improvement of energy intensity. Gross world product grows from $56 trillion in 2005 to anywhere from $170 trillion to $420 trillion in 2100. 7TW for the highest scenario. 1 (a) Growth in gross world product for the low and high population scenarios combined with low (solid lines) and high (dashed lines) GDP/capita scenarios; and (b) variation of world primary power demand for low population and GDP/capita growth or high population and GDP/capita growth combined with energy intensity reductions of 1 per cent/year (upper curves) or 2 per cent/year rate of reduction (lower curves) 3 high population, high GDP/capita, low improvement in energy intensity, low C-free power; high population, high GDP/capita, high improvement in energy intensity, low C-free power; high population, high GDP/capita, high improvement in energy intensity, high C-free power; low population, low GDP/capita, high improvement in energy intensity, high C-free power.
In heating applications, the geothermal resource could be significantly extended through the use of heat pumps to extract additional heat from the already-used water that is returned to the ground. Chapter 6 Hydroelectric power Existing hydroelectric powerplants already constitute a large renewable source of electricity – about 16 per cent of current global electricity demand. qxd 4/13/2010 2:59 PM Page xl xl CARBON-FREE ENERGY SUPPLY supply under current conditions. However, not all of the economic potential can be developed, because of adverse environmental or social impacts.
The required C-free power under the low population and GDP/capita scenario is only 54 per cent that of the high population and GDP/capita scenario, which underlines the importance of low population growth and a moderation in the rate of growth of GDP/capita. Volume 1 deals comprehensively with the prospects for accelerating the rate of decrease in energy intensity, and also touches upon the issues of growth in population and in GDP/capita. Volume 2 deals with the remaining factor in determining future CO2 emissions: the rate at which C-free sources of energy can be deployed and ultimate limits on the deployment of C-free energy sources.