The labor market has hit a tipping point that should help boost wages: There are more job openings in the U.S. than unemployed workers to fill them.

Global demand for polyethylene, the world’s most used plastic, has nearly doubled since 1999, but this growth in demand is being met with significant new market pressures, such as a rise in consumer expectations around sustainability, along with tightening environmental regulations in key growth markets such as China.

The U.K. government’s labour market tsar has called for large businesses to be held jointly responsible for abuses in their supply chains.