Fifty climate change activists were charged with unlawful protest near Australia's biggest coal export port on Sunday after protesters climbed on a coal train.
Shipping group Maersk plans to install hundreds of offshore charging stations around the world to allow vessels to power themselves with electricity instead of fossil fuels while waiting outside ports.
China's eastern port city Qingdao is experiencing the worst ever algae infestation in the region, with more than 1,700 square km of coastal area blanketed by harmful green seaweed, also known as "green tide".
