I estimate: GARGANTUAN. Presumably, Allah will take care of AGW in the minds of the indoctrinated, and anyway, what's AGW compared to an eternity in agonising pain? These morons are fast becoming an agonising pain in the neck, for me personally.
http://www.sciencedirect.com/science/art...2613001431
Quote:Travel and tourism is one of the largest industries in the world and is a large contributor of greenhouse gas (GHG) emissions. Religious tourism is a fast growing sector within the tourism industry. Pilgrimage to Mecca, Hajj, is one of the oldest and largest religious tourism events in the world drawing 2.79 million participants from all around the world in 2011.
http://www.sciencedirect.com/science/art...2613001431