Ключевые слова: alternative, alternatives, choices, clean energy, clean tech, concept, conservation, eco, ecoconscious, ecofriendly, ecological, ecology, electricity, energy, environment, environmental, farms, generation, generator, globalization, green, industry, innovation, innovations, landscape, photovoltaic cells, power, production, renewable, resource, resources, solar panels, solutions, sources, sustainability, sustainable, systems, technologies, technology, wind and solar, wind farms, wind turbines, windmill,