Because the US is a big meanie.
The goal of the Rodents has never been protection of the environment. Those creatures are socialists and everyone knows what happens to the environment under socialism.
No, the farce of modern environmentalism was established...Greenpeace was originally funded by the Soviet KGB...to destabilize and weaken the American industrial base as part of the Cold War the socialists lost so pathetically. The goal of the socialist terrorists hasn't changed, Death to America is still their mantra.