"Aja pelo clima: energia solar já!"
Greenpeace activists project this message onto the mountain of Huayna Picchu, above the Machu Picchu site, to ring in the beginning of the end of coal- and oil-driven economies. As the UN climate summit gets underway in Lima, Peru, they are asking the decision-makers attending the 20th session of Conference of the Parties (COP 20) to adopt a new course and lead us to 100% renewable energy for all by 2050.