When talking about the natural world, we often refer to the beauty that we see around us. But what do we smell, touch, taste – and most importantly hear? Today we’ll take a look at what nature sounds like. We’ll also explore the role of imagination in finding solutions to environmental threats – from fantasy films to engineering the sky to control the Earth’s climate.

Part 1: Voices of the Wild
Bernie Krause
, Soundscape Artist; Author,Voices of the Wild
Jason Mark, Former Editor,Earth Island Journal
Tanya Peterson, Director, San Francisco Zoo 

Part 2: Remaking the Planet
Ken Caldeira, Climate Scientist, Carnegie Institution for Science, Department of Global Ecology at Stanford University
Oliver Morton, Briefings Editor, The Economist
Kim Stanley Robinson, Author, 2312