Experts say cultivating genetic diversity and mitigating Phoenix’s urban heat island must occur to protect native plants.

The media reacted as if the ex-recorder won his defamation suit against Lake. The facts suggest it was at best a draw.

The bill would give US Customs and Border Protection more authority. Former Sen. Kyrsten Sinema previously introduced a version.

The back-and-forth created confusion and fear that will linger beyond the lifetime of the memo, nonprofit leaders said.

Arizona's senators voted with Republicans to confirm Lee Zeldin as the new head of the Environmental Protection Agency.