Blue and Green: Arctic birds are nesting up to seven days earlier than usual as a result of snow melting earlier because of an increasing warmer Arctic, a new study has found. The research, published in the journal Polar Biology, suggested that clutch initiation dates for migrating Arctic birds are advancing because of climate change, which is warming up the region. Scientists from the Wildlife Conservation Society (WCS) observed 2,500 nests of four shorebird species in Alaska over a nine year period and saw nesting...