Gaskiya mai Rashin Dacewa (An Inconvenient Truth) fim ne da aka shirya a 2006 a Amurka wanda Davis Guggenheim ya shirya game da kamfen tsohon Mataimakin Shugaban Amurka Al Gore don ilimantar da mutane game da ɗumamar yanayi. Fim ɗin yana ƙunshe da nunin faifai wanda, ta hanyar kimantawar Gore, ya gabatar da sama da sau 1,000 ga masu sauraro a duk duniya. Tunanin rubuta takardun kokarin na Gore ya fito ne daga furodusa Laurie David, wanda ya ga gabatarwar da ya yi a wani taron zauren taro a garin kan dumamar yanayi, wanda ya yi daidai da bude The Day After Tomorrow. Laurie David ta kasance abin birgewa ta hanyar nunin faifan nishaɗin ta cewa ita, tare da furodusa Lawrence Bender, ta sadu da Guggenheim don daidaita gabatarwar cikin fim. Fitowa a bikin fina-finai na 2006 na Sundance da buɗewa a cikin New York City da Los Angeles a ranar 24 ga Mayu, 2006, shirin fim ɗin ya kasance mai matukar mahimmanci da cin nasara ta kasuwanci, inda ya ci kyaututtuka biyu na Kwalejin Kwalejin don Mafi kyawun Takaddun shaida da Kyakkyawar Waƙa.