Ключевые слова: 2020, activism, alternative, awareness, balloon, biodegradable, blue, celebration, change, climate, contamination, eco, ecologist, ecology, ecosystem, environmentalism, event, festive, goals, greenhouse, greta, holiday, horizontal, i, list, love, message, metallic, new, no, numbers, party, plastics, pollution, protection, renewable, resolutions, season, seasonal, shape, shaped, silver, silvery, sustainable, text, thousand, twenty, two, year, zero,