The definitive guide to the therapeutic Japanese practice of shinrin-yoku, or the art and science of how trees can promote health and happiness.

Notice how a tree sways in the wind. Run your hands over its bark. Take in its citrusy scent. As a society, we suffer from nature deficit disorder, but studies have shown that spending mindful, intentional time around trees – what the Japanese call shinrin-yoku, or forest bathing – can promote health and happiness.