RENEWABLE ENERGIES:FEASIBILITY,TIME AND COST OPTIONS -- RENEWABLE ENERGIES: FEASIBILITY, TIME AND COST OPTIONS -- CONTENTS -- WHERE NOT TO LOOK -- COAL -- NUCLEAR -- HYDRO RESOURCES -- JAPANESE USE OF HYDRO POWER -- SUMMARY -- WIND -- INTRODUCTION -- WIND TURBINES -- A BASIC THEORY OF WIND POWER -- WIND BELTS -- THE DISTRIBUTION OF WINDS -- WINDS IN ANTARCTICA -- PATAGONIA -- STORAGE OF WIND ENERGY -- THE US POSITION IN THE DEVELOPMENTOF WIND TECHNOLOGY -- EFFECT OF HEIGHT -- FUTURE OF WIND ENERGY -- COST OF WIND ENERGY -- RANGE OF PRACTICAL WIND ENERGIES NOW -- SOLAR -- PHOTOVOLTAICS -- A NEW APPROACH TO PHOTOVOLTAICS: -- SOLAR THERMAL -- KNOWING MORE ABOUT SOLAR THERMAL -- OCEAN THERMAL ENERGY CONVERSION(OTEC) -- COST OF OTEC -- TWO METHODS OF BUILDING OTEC PLANTS -- LOCATIONS FOR OTEC -- LIMITATIONS OF OTEC PLANTS -- TIDAL ENERGY -- ORIGIN OF TIDAL POWER -- HOW TIDES CAN GIVE MASSIVE AMOUNTS OF ENERGY -- EBB GENERATION -- FLOOD GENERATION -- INTERMITTENCY -- TIDAL PLANTS AT PRESENT IN OPERATION -- TIDAL MAPPING FROM SPACE [45] -- A LOST OPPORTUNITY -- COST -- BIOFUELS -- ALCOHOL FROM SOLAR- GROWN PLANTS -- SOLAR GROWTH OF CORN AS A SUBSTITUTE FOR SUGAR -- OTHER ATTEMPTS TO CREATE CO2NEUTRAL ETHANOL (2007) -- WAVE ENERGY -- GEOTHERMAL -- ECONOMICS -- ENVIRONMENTAL -- HOT ROCK GEOTHERMAL -- AUSTRALIAN INITIATIVE -- MAJOR DIFFERENCES IN COST ACCOUNTINGFOR RENEWABLE AND NON RENEWABLEFORMS OF ENERGY -- ENVIRONMENTAL EFFECTS OF RENEWABLES -- LIMITATIONS OF COST ESTIMATES -- RENEWABLE SOURCES OF ENERGY:A BRIEF SUMMARY -- REFERENCES -- INDEX.