By Michele Riml
When Avery uncovers a plot by his father to cut down his favourite tree, he enrols his best friend to live with him in the yard (No TV! No video games! Nothing!) to protest. But when a heated debate over soccer and global warming goes sour, Avery questions if he has the guts to be an Enviro-Man or is he merely, as his sister calls him, a Tree Boy.