Kampen om sandet: et globalt miljøproblem

Head topic: Green IssuesMy topic: The battle for the sand1. Why did I choose this topic? Worldwide problem Inspiring documentary The greedy world 2. Why is sand so important? not unlimited resource Toothpaste, vine, cleaning products, paper, cosmetic, microchips, buildings Melt and transforming in to glass Quartz sand – glass, microchips Sand+cement = concrete – low cost, strong Normal house – 200 tons Power plant – 12 million tons

3. Sand wars Criminal stolen sand – use donkey Sand Mafia’s Singapore - expand coastline Underwater dredging Sand = first link in the food chain 25 Indonesian islands – disappeared salt + cement = corrosive

4. Did you know? Head up temperature – liquid Mini rocks Global production – 15 billion tons Desert sand – round and smooth The palm – more than construction Spain – most in EU work with - not against – win sand war

http://www.dr.dk/tv/se/kampen-om-sandet#!/01:54 = 8/4 – 8/5http://www.ehow.com/how-does_4924085_how-toothpaste-made.htmlhttp://www.answers.com/topic/sand

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