Gen Z teachers like Katrina Sacurom, a 5th grade teacher in Frisco, Texas, are bringing passion and fresh ideas to the profession—but also want supports and a reasonable work-life balance. Districts ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

Renewable energy is energy derived from natural sources that are replenished at a higher rate than they are consumed. Sunlight and wind, for example, are such sources that are constantly being ...