evidence: Some X users circulated a "world climate declaration" that they claimed proves the climate crisis is a "hoax" and is "based on politics, not on science." [...] First, there is wide consensus among climate scientists, scientific associations and institutions that climate change is real and is caused primarily by humans burning fossil fuels. Nearly 200 scientific organizations around the world assert that climate change is caused by human action. [...] PolitiFact, Copious evidence proves climate change is not a ‘fraud’, Jan. 31, 2023