What is the definition of Environmental Infection?

An 'environmental infection' is like a cosmic zombie apocalypse, but instead of hopping from one body to another, it infects our surroundings, turning them into a toxic, disease-spreading cesspool. Picture this: "The once pristine beach became the ultimate 'environmental infection' – algae blooms turned our sunbathing paradise into a stinky, smelly swamp of existential dread!"