Gill to co-host new podcast on climate change, Smithsonian reports reported Jacquelyn Gill, a paleoecologist at the University of Maine, will co-host a new podcast that focuses on climate change and humanity’s role in shaping it. Through the “Warm Regards” podcast, Gill and fellow co-hosts Eric Holthaus, a meteorologist and frequent Slate contributor, and Andy Revkin, a veteran environment writer for the New York Times, will try to bring the planet’s greatest challenge closer to home, according to the article.