She says, "Darren is a huge environmentalist and made sure there were no water bottles anywhere on set which is a huge, huge deal because we were drinking tons of water. Everyone was given containers.
"Also at lunch, instead of having Styrofoam, which most movie sets have, for your containers you can have eco-containers. It's good because it's a daily thing where hundreds of people are just wasting stuff that's poisonous."
Aronofsky tells WENN, "Our start gift was a Clean Canteen with our logo on it. Every crew member and cast member got one. Films are incredibly wasteful, so you just try to do your best."