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One of the first in-depth 'insider' studies of the financial crisis has blamed 'human' failings for the meltdown and called for urgent reforms to prevent a repeat.

Populations of the rusty blackbird, a once-abundant North American species, have declined drastically in recent years, and Auburn University researchers say climate change is to blame.

New research shows people may not be responsible for the rarity of a native tree species - a finding that could change how conservation is approached.