Reduce food waste by shopping wisely, purchasing only what you need, composting food scraps, and giving unused food to food banks or shelters. More techniques to lessen your environmental effect. To reduce trash, reuse or repurpose goods such as old clothing, cloth grocery bags, and containers. Purchase old things to minimise waste and the emissions produced by the production of new materials or their disposal in landfills. Donate unwanted clothing, gadgets, and building supplies so that others might benefit from them as well!