It's the 50th anniversary for Earth Day! Celebrate the planet we live on, and learn more about environmental protection by checking out our Earth Day selection 🌏 #earthday #earthday2020 #climateaction #endangeredanimals #hereweare #weareallgreta #books #climatechange #nature #savetheplanet #bookazinehk #bookrecommendation #hkreading #hkreads #hkig #hongkong
