sentences:  As part of his outreach efforts with the Nova Scotia museum, Crowdis embraced the medium of radio, appearing on local radio programs in Halifax for more than two decades.One of his shows was called "Things of Nature".When it transitioned to television, he adapted the name as "The Nature of Things" He was an early host of the popular CBC television series, which continues to air new episodes as "The Nature of Things with David Suzuki".