hands nurturing young plant with soil and water sustainability and growth concept. close up of human hands caring for a young green plant with soil and water, symbolizing growth, nurturing, environment protection, and sustainable development. - 地球日 個照片及圖片檔概念, 幼苗, 種植
View of attendees at the first Earth Day event, Philadelphia, Pennsylvania, April 22, 1970. One man holds a sign that reads 'Earth Day, Every Day;...費城 - 賓夕凡尼亞州, 賓夕法尼亞州
concept of earth protection day or environmental protection hands to protect the growing forest - 地球日 個照片及圖片檔
sustainability. morning fog aerial view. atmospheric landscape drone photography. deciduous forest. rainforest - 地球日 個照片及圖片檔大自然, 鳥瞰, 策略
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, 泥土
environment earth day in the hands of trees growing seedlings. bokeh green background female hand holding tree on nature field grass forest conservation concept - 地球日 個照片及圖片檔
the concept of education and books on the earth, earth day or environmental protection, home to beautiful golden clouds. - 地球日 個照片及圖片檔學習, 再生能源
Students at Nipher Junior High School marching through the business district of suburban Kirkwood 4/22 protesting against smog caused by automobiles....1970-1979, 示威, 踩單車
Philadelphia, PA- Thousands of young people stretched out over a mile walking along a closed river drive during a Philadelphia Earth Walk. The youths...
Close-up of a hand holding up an Earth day button which reads, 'Save your Earth - You can't get off.'1970-1979
beach cleaning, bottle and person volunteering for earth day, pollution and environment in sand and hands closeup. recycling bag, plastic and garbage to stop pollution and climate change by the ocean - 地球日 個照片及圖片檔社區, 義工, 衛生
world environment day related conceptual vector illustration. global warming, climate change, protection, awareness, care. - 地球日 幅插畫檔、美工圖案、卡通及圖標電腦圖形, 線條畫
tree grows in light bulbs, energy-saving and environmental concepts on earth day. - 地球日 個照片及圖片檔環境保護, 電燈泡, 商務
Crowd of people gather near a large poster that shows a speach bubble from planet Earth that reads 'Help!!', on the occaision of the first Earth Day...
sustainable earth and green technology icons for eco friendly innovation sustainability earth day environment symbol - 地球日 個照片及圖片檔技術, 環境保護
concept save the world save environment the world is in the grass of the green bokeh background - 地球日 個照片及圖片檔地球, 星球, 環境保護
renewable energy concept earth day or environment protection hands protect forests that grow on the ground and help save the world. - 地球日 個照片及圖片檔環境保護, 節約用水
concept save the world save environment the world is in the grass of the green bokeh background - 地球日 個照片及圖片檔白天, 環境保護
New York, NY- The "sweeper's brigade" takes off for assigned area. Around the U. S., 4/22, communities large and small have embarked on a campaign of...步行
