There wasn't a single question about global warming in the 2016 presidential debates. Will 2020 be different?

There are 23 Democrats vying for their party's nomination. Who has a plan to fight climate change (and who doesn't)? And what will President Trump's eventual Democratic challenger say on the subject?

Today take a look at where the candidates stand on climate change with Emily Holden, environment reporter for the Guardian.

Recent reports stress the urgency of reducing carbon emissions to check the worst effects of climate change. On this episode we listen in as some very knowledgable experts wade into the possibilities, obstacles and potential solutions.

The panelists: Paulina Jaramillo, associate professor of engineering and public policy at Carnegie Mellon University and co-director of the Green Design Institute; Ivonne Peña, an energy analyst who has worked for the National Renewable Energy Laboratory in the U.S. and the Colombia's Energy and Gas Regulatory Commission; and Greg Reed, a professor of electric power engineering at the University of Pittsburgh's Swanson School of Engineering, and director of Pitt's Center for Energy and the Energy GRID Institute.