Beautiful digital art you could display in your classroom to facilitate discussion about global warming. You could present one of images and ask the students what they think it's trying to convey, no text is needed to spark discussion. Great way to get students interested and engaged in the topic.
экологические плакаты рустам усманов
pollution design poster - Google Search
The poster effectively shows how oil is affecting animals by creating a whale from the nasty oil. Whales normally are more majestic and free, but this whale don't look happy at all.
Whales Today, Carbon Tomorrow by Lori Miller, USA, for EDF. "A campaign to bring awareness to the effects of global warming on animals."