growing concentration of carbon dioxide ob blackboard Stock Image
by PixelsAway
Description
growing concentration of atmospheric carbon dioxide recorded at Mauna Loa observatory, Hawaii - rough representation with white chalk on school blackboard, eraser smudges
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Keywords
- black
- blackboard
- carbon dioxide
- chalk
- chalkboard
- CO2
- concentration
- curve
- dust
- environment
- eraser
- global warming
- graph
- growth
- horizontal
- Mauna Loa
- measurement
- nobody
- observation
- smudge
- white
- yellow