Environmental activists in China are calling for new laws and an independent investigation into how hundreds of Chinese students fell ill—in some cases severely——after attending a school built on a toxic waste dump.1In a case that is being compared to one of the worst environmental catastrophes in US Environmental activists in China are calling for new laws and an independent investigation into how hundreds of Chinese students fell ill-in some cases severely - after attending a school built on a toxic waste dump.1In a case that is being compared to one of the worst environmental catastrophes in US