Norway on Thursday said it will raise $400 million to encourage Brazil’s farmers to stop destroying the rainforests, launching a fund also backed by food giants Unilever and Nestle. Announced at the World Economic Forum in Davos, Switzerland, the plan is a major effort to reform harmful small-scale farming, which is one of the biggest drivers of deforestation in Brazil. According to the WEF, about 2.3 million square kilometres of rainforest were cut down between