ocr: As1 fussil fuels (cual, uil, audi zatural gaa)3 ae seadily need "P, and rhe envirr onmentai effecrs of burning fossil. [uelst becomer more: serious, other suurces uf eneigy aie. likely lu grow ilL Imporraner. Many airernarive energy souroes are potentially more elTicient, and cheapert to eapluit, thuuf fussil fuels. However, there ure manyt prohlemst tot be evercome hefore these sources can be lully cleveloped. NUCLIAR ENELGY Abuul 31 percent ut Lutal wurld energy producrion nnd 16 percent of world electriciry production come from nucear energy. When uraniun alvns are bumburded with ueutruna ( ...
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