Guardian: 1. Celebrate the positives
Renewable energy is clearly becoming the cheapest, more scalable and quickest way to provide electricity to the new demand from emerging markets. Currently there is only one key issue, availability of the renewable resource (no sun at night and no-wind days), but new technologies (battery energy storage) are becoming more viable. Riccardo Amoroso, head of innovation and sustainability, Enel Green Power, Rome, Italy
2. Challenge perceived obstacles
The key barrier...