Mark Harrison is executive producer of CBC News Content Units.
Latest from Mark Harrison
Vape Fail | The hope of vaping as a safer alternative to smoking is fading. We explore why
CBC News has been doing a lot of reporting about vaping over the past few years. Initially, that reporting reflected some of the hope that vaping might help with the smoking problem. But increasingly, it's been about alarm bells. We explore how we got to this point in our new series Vape Fail.
Why CBC News is doing a series on climate change
Climate change is a critical issue for our readers, viewers and listeners, and recent polling suggests it is a leading concern in this election year. We want to make sure we reflect that at CBC News.