The struggles of high-tech farms demonstrate that building a resilient food system requires more than engineering, says urban farmer Bjorn Low. SINGAPORE: Last week’s announcement by Minister for Sustainability and the Environment Grace Fu marks a turning point in Singapore’s strategy for food security. The familiar “30 by 30” target , which envisioned Singapore producing 30 per cent of its nutritional needs by 2030, is being replaced with more focused goals: 20 per cent for fibre and 30 per