This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. Wildfires, deadly heat, drought and flooding show how climate change has “already arrived” in Arizona and action is desperately needed, according to climate and progressive advocates who helped elect Kyrsten Sinema to represent the state in the Senate. Many of them are wondering why their senator seems to have “turned her back” on her background in environmental politics and is now blocking Democrats’ multitrillion-dollar legislation to address climate change.