Our expertise in studying birds leaves no doubt that climate change affects the habitats they need to survive. As our Survival By Degrees report shows, two-thirds of North American bird species could face extinction if we fail to slow the rate of global temperature rise. Some “tipping point” species, like the Rufous Hummingbird and Golden-winged Warbler, are on track to suffer more acutely. Birds can’t simply move to different climates, since our planet is changing so quickly that they don’t have enough time to adapt—even in places like our National Wildlife Refuge system. In 2023, the United Nations released its “final” Intergovernmental Panel on Climate Change (IPCC) report, which warns that the effects of climate change will continue to intensify, and swift and drastic action is needed to avoid the worst impacts on our planet. The stakes are higher than ever for birds, the places they need, and our own communities. That’s why we continue advocating for...