Annual reporting from BSR's Clean Cargo Working Group indicates that average CO2 emissions per container per kilometer for global ocean transportation routes have declined by 8.4 percent from 2013 to 2014 and by more than 29 percent since 2009.

A Singapore-based scientist has urged the nation to implement an emission control area (ECA) to combat rising pollution.

The Swedish government has proposed a tonnage tax system that means Swedish shipping companies will operate under competitive conditions similar to companies in other countries in Europe. The tonnage tax would be introduced in summer 2016.

The United States Maritime Administration has issued Advisory 2015-02 concerning possible contamination by hazardous materials caused by the explosions that occurred last month at the Port of Tianjin, in China.