Climate change is bringing earlier springs, but it's wreaking havoc on animals

Climate change is altering the way animals, insects and plants behave, and it has cascading effects in delicately balanced ecosystems that also can affect humans.

Climate change is bringing earlier springs, but it's wreaking havoc on animals
Two brown birds fight in a field.

Climate change is altering the way animals, insects and plants behave, and it has cascading effects in delicately balanced ecosystems that also can affect humans.