Actor Jason Momoa has poked fun at fellow movie superhero Chris Pratt for posing at the gym with a plastic water bottle. The Aquaman star, who has launched a campaign to clamp down on the use of plastic, was horrified when his friend posted an Instagram image of himself working out on December 3, and had to fire back, reports a website. ‘Bro I love u but wtf* on the water bottle? no single use plastic. come on,’ Momoa asked. The eco-warrior recently urged world leaders to step up their climate crisis efforts during a stern UN address, revealing ‘plastic pollution’ is beginning to clog up the oceans and threaten livelihoods in the South Pacific. ‘As a native Hawaiian born to a mother from Iowa, I have seen how one place can be oblivious to another,’ he said. ‘The issues facing an island can feel so far removed from that place that is landlocked in the middle of our country. However, with a foothold in two worlds, I quickly began to see how a problem for one will soon become a problem for all…’ (IANS)