Two Climate Change Plays Keep the Flames of Hope Alive

“Hothouse,” at Irish Arts Center, fends off despair with loopiness; “In the Amazon Warehouse Parking Lot,” at Playwrights Horizons, is a fuzzy world lacking depth.

​“Hothouse,” at Irish Arts Center, fends off despair with loopiness; “In the Amazon Warehouse Parking Lot,” at Playwrights Horizons, is a fuzzy world lacking depth.