22 April 2025 - World Earth Day "Our power, our planet" A A A 21.04.2026 Evaluate the study: Downloads Socio-economic situation of Mazowieckie Voivodship in March 2026. File in PDF format 1.60 MB Archive 2025 22 April 2025 - World Earth Day "Our power, our planet" 2023 22 April - Earth Day “Planet vs. Plastics” 2022 22 April - Earth Day “Invest in our planet” 2020 22 April - Earth Day “Invest in Our Planet” 2019 22 April - Earth Day “Restore Our Earth” 2018 April 22. Earth Day. Climate action 2017 22nd April. Earth Day. Protection of Endangered Spiecies
