8 million tonnes of plastic went into the ocean in 2010. Plastic waste in the oceans is disastrous for marine and bird life, and the human race has to avoid disposal of this waste in a way that enables it to enter drains, rivers, and eventually the ocean.

Event legacy – the positive things left behind after a major sporting event – has become an important part of the competition to host events and winning bids are now determined as much by what they promise to leave behind as by their capacity to host a successful event