eco energy background.

aerogenerators air airstreams alternative clean co2 concept conceptual consumption creative disposable earth eco ecofriendly ecologic ecological ecology electricity energy environment environmental eolic friendly future global glow green health idea industry innovation invention kinetic modernity natural nature photosynthesis planet plant pollution power presentation preserveation process product protect recovering recycle recycling renewable reprocessing resource responsibility reusable reuse saving shining sky solar solution solving source sun sunlight sustainability sustainable symbol symbolism tech technologies technology tree turbine turbines useful warming waste welfare wind windmill