(March 27, 2013) Pollution is once again a dire concern in the wake of China’s formal acknowledgement last month of cancer hotspots, known as “cancer villages,” long speculated to be caused by drinking and irrigation water contaminated by industrial chemicals and heavy metals. More recently, unmanageable garbage sites have posed a threat to Beijing’s drinking water supply. As China’s new leadership moves to clean up the country, citizens still lack access to information that would help them help both their health and their environment but that’s not stopping them from Twittering towards change.