Lying in bed at his house in Mestre, where he’s to spend the weekend, he’s observing the last shades of night. He’s also reflecting on some issues that, to him, are very sensitive. These are linked to the re-use of waste and energy efficiency. He thinks we’d need to go further than just sorting waste; although separating it into paper, glass and plastic is important, he thinks that isn’t enough. Everything has to be better organised, with the use of machines present in every neighbourhood for the recycling of paper and many other products. If more is done today, an environmentally-friendly future would be in the order of things. He read, for instance, that large shoe-producing companies were re-using bald and spent car tyres to make soles out of them. Visionary African artists make

