Efek Rumah Kaca (English: Greenhouse Effect) is an Indonesian indie rock band, formed in 2001. The band consists of Cholil Mahmud (lead vocal, guitar), Adrian Yunan Faisal (back vocals, bass, guitar), Airil "Poppie" Nur Abadiansyah (back vocals, bass) dan Akbar Bagus Sudibyo (drum, back vocals). They are known for their satirical and thought-provoking lyrics—usually concerning politics or everyday society. They have released three albums, Efek Rumah Kaca (2007), Kamar Gelap (2008), and Sinestesia (2015).