Ключевые слова: alternative, budapest, business, circular, circular economy, climate change, concept, conservation, cycle, earth day, eco, ecology, economic, economics, ecosystem, efficiency, emissions, energy, environment, environmental, esg, eu, europe, future, global, global warming, globe, green, hungary, litter, manufacturing, nature, pollution, protection, recycle, recycling, reduce, reduction, renewable, resource, resources, responsibility, reuse, sustainability, sustainable, technology,