Pedzisa mutsara unotevera: Muna June 2010, Cameron akasangana nevakuru vakuru veEnvironmental Protection Agency kuti vakurukure zvingaitwa kugadzirisa dambudziko iri
Deepwater Horizon mafuta anoyerera. Kwakashumwa kuti iye akapa betsero yake kuti abetsere kudzivisa tsime romuorivhi kuti risasviba. Iye inhengo yeNASA Advisory Council uye akashanda nesangano romuchadenga kuvaka makamera eCuriosity rover yakatumirwa kuMars. Zvisinei, NASA yakatumira rover yacho isina unyanzvi hwaCameron pamusana pokushaya nguva yokuedza. Akaratidza kufarira muchirongwa pamusoro Mars, vachiti "Ndave chaizvo vanofarira Vanhu kuna Mars sangano [...] uye ndakaita hombe uwandu pachake tsvakurudzo kuti inoverengeka, miniseries, uye 3D firimu". Cameron inhengo yeMars Society, sangano risingabatsiri rinokurudzira kuti pave nechitsuwa paMars. Cameron akatsigira mukwikwidzi weDemocratic Hillary Clinton musarudzo yemutungamiri wenyika yeUnited States ya2016.