Philadelphia Inquirer: Happy spring.
I've been looking for the robins for weeks now. Already, my yard was cranking out a riot of birdsong. The bluebirds were hear. The song sparrow was trilling. Where were the robins?
This morning, almost as if on cue, they showed up. Dozens of them. They hopped about the yard and ate like mad.
But here's the question: In general, are they showing up earlier now than usual? Is spring springing sooner because of global warming?
Scientists say it is.
This morning, the U.S....