Simple Set of Nature Related Vector outline Icons. Contains such as Environment, Eco, Green Energy, Alternative Power, Bio Fuel, Recycle, Green Mindset, Water Drop and more. Illustration eps 10 Shutterstock .eps vector - Simple Set of Nature Related Vector outline Icons. Contains such as Environment, Eco, Green Energy, Alternative Power, Bio Fuel, Recycle, Green Mindset, Water Drop and more. Illustration eps 10 - ID: 1553328890