Free illustration materials

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  Spray can
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  (energy saving performance) characters
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  Factory
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  Collected PET bottles
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  Charging plug for electric vehicles
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  Rooftop greening
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  A person who hangs laundry suffering from air pollution
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  People who fight pollen (chainsaw)
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  Paid shopping bag
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  Water purification plant
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  Doggy bag
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  Plastic garbage
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  Pellet stove
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  Waste collection vehicle
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  Garbage from cherry blossom viewing
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  Turtle release
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  PET bottle cap
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  Global warming (sweaty earth character)
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  Woman hitting a fan
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  Whale stranded
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  (Don't feed) (Fox)
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  Hydrogen vehicle
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  Power saving (unplug)
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  Hot earth
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  Ivory poaching
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  Japanese population
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  Fukushima Daiichi Nuclear Power Plant (after the accident)
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  Garbage disposal site
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  Sea level rise
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  Large family with eco-bags (disjoint)

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  Mark for littering (garbage)
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  Woman picking up trash
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  Dolphin eating garbage (environmental problems)
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  Plastic garbage
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  Japanese cedar pollen
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  (Don't feed) (Swan)
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  Used paper collection
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  Thermal power plant
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  Male adjusting the temperature of the air conditioner (power saving)
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  Energetic earth
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  Family with an eco bag
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  Power saving (unplug)