Earth Day programs come in many shades of green, but this year some seek rays of hope

6:40am PDT - April 19th, 2021    damon weaver - CNN

There's no one way for documentary fare to acknowledge Earth Day, but the programs generally fall into one or more of four distinct buckets in regard to the health of the planet: Depressing, vaguely hopeful, star-studded, and celebrating the natural world to …