Our world is increasingly becoming a rubbish dump, a communal dwelling," said the Pope. Hundreds of millions of tonnes of waste are thrown away every year, but most of it is not biodegradable: household waste, waste from commercial activities, waste from the demolition of buildings, hospital waste, electronic waste, industrial waste, highly toxic waste... Catechesis on the family, in collaboration with Fr Eric Frank Randriamiandrinirinarivo.