Today on NOW with Dave Brown, environmental contributor Lawrence Gunther discusses the potential benefits of using hydrogen as an energy source. Community reporter J.R. Bjornson tells us about an inclusive and accessible playground for children in Blackfalds, Alberta. Nelson Régo of Cool Blind Tech describes a new prototype out of Australia that enhances night vision. And, we have another edition of our weekly news quiz with Karen Magee and Mark Phoenix. This is the June 22, 2021 episode.