simple nature s like leaves, trees, and rocks illustrated in black ink, perfect for eco-friendly and environmental s

sustainability natureinspired environmental illustrations earthfriendly ecoconscious illustrated ecofriendly sustainable naturebased environment minimalist protection handdrawn elements branding projects outdoors creative wellness tranquil peaceful graphics perfect designs organic digital artwork natural outdoor harmony minimal simple nature leaves vector design sketch shapes beauty trees rocks black drawn ideal earth clean lines green logos white forms world like leaf tree rock tone ink eco art