This story was produced through a collaboration between The Arizona Republic and Climate Central. Climate Central scientist Jennifer Brady contributed data reporting. On hot days at Flagstaff High ...

Public and private investment in clean energy technologies like solar, wind, zero-emission vehicles, and heat pumps has never been higher. Clean energy investment in the U.S. more than tripled ...

Using Climate Central’s Climate Shift Index (CSI) tool to measure the impact of climate change on daily temperatures across the United States, as well as NOAA’s Applied Climate Information ...

The Climate Shift Index: Ocean (Ocean CSI) is a system that computes the climate change fingerprint on daily ocean temperatures. More specifically, it indicates how human-caused climate change ...