A youth movement is reenergizing global environmental activism. The "climate generation"--late millennials and iGen, or Generation Z--is demanding that policy makers and government leaders take immediate action to address the dire...

Hans Thewissen, a leading researcher in the field of whale paleontology and anatomy, gives a sweeping first-person account of the discoveries that brought to light the early fossil record of whales. As evidenced in the record, whales...