Ice loss in the polar north may deliver a frigid spring in the temperate zone
Ice loss in the Arctic may be fueling extreme weather like the frigid spring conditions lingering over much of the United States, scientists said yesterday. While no one weather pattern can be tied to climate change, the ongoing chill is consistent with global warming in the sense that diminishing sea ice could be changing the jet stream, they said.
Climate change, herbicide may doom 'great migration' of monarch butterflies
Every year, between November and March, oyamel, oak and pine forests on the mountainous border of Michoacán and Mexico state house most of the monarch butterflies that migrate from the United States and Canada by flying south to Mexico for the winter. But over the past couple of years, the number of monarch butterflies that reach Mexican sanctuaries has been declining, generating concern among rural communities that rely on spillovers of butterfly tourism activities.