a tree thriving in an energy-efficient light bulb: izing sustainable energy. concept

tree energyefficient light bulb sustainable energy thriving symbolizing environment green ecofriendly conservation renewable nature growth innovation electricity power efficiency living natural resource climate change global warming ecoconscious technology solar wind biomass hydroelectric geothermal clean alternative carbon footprint environmental impact sustainability ecosystem biodiversity greenhouse gases ozone layer pollution emission aigenerated energy-efficient bulb: concept symbolism