hands holding the earth, energy saving, using renewable energy, green technology - 地球日 幅插畫檔、美工圖案、卡通及圖標地球, 世界地圖
renewable energy concept earth day or environment protection hands protect forests that grow on the ground and help save the world. - 地球日 個照片及圖片檔樹葉
concept save the world save environment the world is in the grass of the green bokeh background - 地球日 個照片及圖片檔地球, 星球, 環境保護
concept save the world save environment the world is in the grass of the green bokeh background - 地球日 個照片及圖片檔
Banner at the inaugural Earth Day depicting the earth calling out for help, New York City, 22nd April 1970. Earth Day is held annually to raise...1970-1979, 示威
Students paddle down the Milwaukee River on homemade rafts on Earth Day to protest water pollution.1970-1979, 污染, 人群
Daily News front page April 23 Headline: EARTH DAY! - Making their feelings about pollution perfectly clear, throngs take over auto-free Fifth Ave....
Gas mask is held aloft at the inaugural Earth Day gathering in New York City, New York, 22nd April 1970. An annual event, Earth Day demonstrates...1970
child running on the beach with earth-shaped balloons promoting environmental awareness - 地球日 個照片及圖片檔氣候變化, 夏天, 旅行
green energy concept. various stickers for environmental conservation campaigns - 地球日 幅插畫檔、美工圖案、卡通及圖標氣候變化, 矢量圖
plastic bottles planet earth day environment bottled water recycling concept design - 地球日 幅插畫檔、美工圖案、卡通及圖標塑膠污染, 塑膠, 生物分解性
renewable energy concept earth day or environment protection hands protect forests that grow on the ground and help save the world. - 地球日 個照片及圖片檔技術, 大自然, 能源
