Free illustration materials

• 
  Penguins left behind on drift ice
• 
  Country village (depopulated)
• 
  (Don't feed)
• 
  (Don't feed) (Swan)
• 
  Seawater temperature rise
• 
  Heat island phenomenon
• 
  Spray can
• 
  (energy saving performance) characters
• 
  Factory
• 
  Collected PET bottles
• 
  Charging plug for electric vehicles
• 
  Rooftop greening
• 
  A person who hangs laundry suffering from air pollution
• 
  People who fight pollen (chainsaw)
• 
  Paid shopping bag
• 
  Water purification plant
• 
  Doggy bag
• 
  Plastic garbage
• 
  Pellet stove
• 
  Waste collection vehicle
• 
  Garbage from cherry blossom viewing
• 
  Turtle release
• 
  PET bottle cap
• 
  Global warming (sweaty earth character)
• 
  Woman hitting a fan
• 
  Whale stranded
• 
  (Don't feed) (Fox)
• 
  Hydrogen vehicle
• 
  Power saving (unplug)
• 
  Hot earth

• 
  Mark for littering (garbage)
• 
  Dolphin eating garbage (environmental problems)
• 
  Woman picking up trash
• 
  Plastic garbage
• 
  (Don't feed) (Swan)
• 
  Energetic earth
• 
  Japanese cedar pollen
• 
  Thermal power plant
• 
  Various coral-coral
• 
  Male adjusting the temperature of the air conditioner (power saving)
• 
  A person who hangs laundry suffering from air pollution
• 
  Large family with an eco bag