Climate Home: Rio de Janeiro is pitching this Olympics as the "green games", as Friday`s opening ceremony made clear.
Ceremony director Fernando Meirelles -- best known for the film City of God -- used one of the biggest international platforms going to raise awareness about climate change.
Each of the 11,000 competitors was given a seed to plant, which will create an athletes` forest in the Deodoro zone.
"Climate change and the depletion of natural resources need our attention and the Olympic Opening...