Roger Pielke Jr. joins us today for a Conversation That Matters about whether net-zero by 2050 is realistic.

We invited RBC’s Head of Thought Leadership, John Stackhouse, to join us for a Conversation That Matters about the highlights of the RBC Net Zero economy report.

Sankey has no fear to speak his mind – he takes on everyone and he speaks with conviction and honesty.

We invited Ruariaidh Petre to join us from Nelson, New Zealand for a Conversation That Matters about the global effort underway to ensure cattle are a sustainable nutritional and environmental part of the world food supply.

Stuart McNish invited Dr. Robert Howarth of Cornell University to join him for a Conversation That Matters about digging deeper to understand the complex world of methane.

We invited David Katz of Plastic Bank to join us for a Conversation That Matters about working to ensure plastic can be recycled, can be a part of the circular economy and can continue to play a positive role in people’s lives.

We invited marine biologist Gareth Phillips to join us for a fascinating Conversation That Matters about the Great Barrier Reef and what we can all do to ensure it remains as healthy as possible.

We invited agricultural climate specialist Dr. Jeff Seale to join us for a Conversation That Matters, Food For Thought episode, about working with plants to help reduce carbon in the atmosphere.

We invited Dr. Patrick Moore to join us for a Conversation That Matters about predictions of catastrophic threats.

We invited Dr Frank Mitloehner to join us for a Conversation That Matters about cows, cattle, the environment and how we can’t live without ruminants.

We invited Myles Allen to join us for a Conversation That Matters about why a steady herd size of cows is not the problem and a slow decrease in herd size, may in fact be part of the solution.

We invited Seth Klein, the author of “A Good War,” to join us for a Conversation That Matters about why he says it's time to mobilize the intellectual, financial and natural resources of this country to defeat climate change.

We invited Charles C. Mann to join us for a Conversation That Matters about the incredible influence of William Vogt in shaping the environmental movement.

We caught up with QDM on his farm in Saskatchewan as he was seeding one of his fields. We invited him to join us for a Conversation That Matters about him, his message and why he is not going to stop sharing his down-to-earth messages.

In part two of our conversation with Environment Canada climate scientist Greg Flato, we discuss the dynamics of CO2 in the troposphere, the tropopause and the stratosphere.

In this Conversation That Matters, he talks online to Environment Canada Climate Scientist Greg Flato about climate and he clears up a number of issues.

We reached out to Professor of Mathematics Valentina Zharkova of Northumbria University, one of the first people to raise awareness of the decrease in solar activity, for a Conversation That Matters about the sun, its reduced activity and her reading of the impact it will have on temperatures on earth.

We sat down with climate professor Simon Donner for a Conversation That Matters about the science of climate, how it works, what we can do and the reality of our climate and the future.

We invited Mark Jaccard, a professor of sustainable energy in the School of Resource and Environmental Management at SFU, to join us for a Conversation That Matters about the ways in which we can nudge, control or force all of us to transition away from fossil fuels.

Dr. Patrick Moore takes issue with NGOs over climate, genetically modified organisms and the "truth" about carbon. He says we were literally running out of carbon before we started to pump it back into the atmosphere.