Ummm... obesity, Mao's Cultural Revolution, the spread of k-pop?? I mean the last ones kinda stupid, but it could be sort of fun you know? :P

umm we usually get simple weird ones like

global warming
racism
Fast food

and those kids stuff but umm i googled and found this xD http://www.classtopic.com/ hope it helps

Ugh, we're doing the same thing at school except we have to create an argumental one. My topic is Gatorade vs. Water while exercising, but if you're doing a research... Research perhaps the advantage of knowing, listening and/or speaking a different language ( Korean ;3 xD That's what I would do Orz but I mean, don't concentrate on just one language ) Or maybe if students who know a different language get better grades or something OTL lame, I know T^T Sorry