The team peers into the Outside/Inbox to answer listener questions on the theme of “green,” a prompt which sends us exploring the hanging gardens of Babylon, xeriscaping, and the evolution of the human eye.1: What’s the benefit of being evergreen?2: How water-friendly is my lawn?3: How many city buildings have green roofs?4: Why did we evolve to see so many different shades of green?Featuring Georgia Silvera Seamans, Rubab Saher, Kate England, Abraham Wu, and Adriana Briscoe.Special thanks to Steven Peck. How to submit a question to the Outside/InboxCall our hotline, 1-844-GO-OTTER, and leave a voicemail. Send a voice recording to outsidein@nhpr.org. We also post regular call-outs for questions in our stories on Instagram.We’re seeking questions on a new theme for an upcoming episode: “the deeps.” Think caves, life underground, geothermal energy, and deep existential questions about our life on earth.  SUPPORTOutside/In is made possible with listener support. Click here to become a sustaining member of Outside/In. Subscribe to our newsletter (it’s free!).Follow Outside/In on Instagram or join our private discussion group on Facebook. LINKSCheck out the Washington Square Park Eco Projects, which includes a map of city trees, a seasonal change monitoring project, and bird surveys.Project Drawdown on green roofs as a key climate solutionAbraham Wu’s research on mapping green roofsExploring the relationship between turfgrass and city heatOur own reporting on the American love of lawns, and the impact on the desert CREDITSHost: Nate HegyiReported and produced by Justine Paradis, Jeongyoon Han, Felix Poon, and Jessica Hunt.Edited by Taylor Quimby and Justine Paradis.Executive producer: Rebecca LavoieMusic by spring gang, Molife, Apollo, Autohacker, Diamond Ortiz, and Chris Zabriskie. Our theme music is by Breakmaster Cylinder.Outside/In is a production of New Hampshire Public Radio.