I is for the invasive species like the fire ants, the zebra mussels, broom grasses and pathogenic bacteria and viruses that are flooding every country, and at an exponential rate, that's the I. The P, the first one in "HIPPO," is for pollution.
La I es por las especies Invasoras como las hormigas fuego, los mejillones cebra y bacterias y virus patógenos que inundan cada país a un ritmo exponencial.