America’s butterflies are disappearing at a ‘catastrophic’ rate

US butterfly populations are declining because of insecticides, climate change and habitat loss, with the number of the winged beauties down 22% since 2000, a new nationwide study finds.

​ US butterfly populations are declining because of insecticides, climate change and habitat loss, with the number of the winged beauties down 22% since 2000, a new nationwide study finds. Read More Breaking News, Latest News and Videos | CNN