Greenpeace activists climb and paint a message on the smoke stack of the Federico II coal power plant pointing out that coal is the most climate-polluting of fossil fuels and criticizing the world's leaders who ended the G8 summit in L'Aquila with scant progress on saving the climate. The activity is part of a week long nationwide protest where over 100 Greenpeace activists from around the world occupied four coal-fired power stations across Italy demanding the G8 Heads of State to take leadership on climate change