Doug Gimesy / Tim Flannery in summer clothing, reading his best-selling book 'The Weather Makers' on an icy pebble beach, Robert Point, Antarctic Peninsula, Antarctica, to illustrate the warming of the Anta...

Doug Gimesy / Environmental explorer Tim Jarvis on a glacier on Shakelton Gap, King Haakon Bay, South Georgia. November, 2018. Editorial use only.

Clay Bolt / Natural history photographer Clay Bolt and writer Glen Chilton examine a termite mound while searching for Wallace's giant bee (Megachile pluto) Mollucas, Indonesia. January 2019

Ashley Cooper / Kriduklaustur, an old farmhouse with a green roof near Egilsstadir, Iceland. September 2010.

Ashley Cooper / Kriduklaustur, an old farmhouse with a green roof near Egilsstadir, Iceland. September 2010.

Paul D Stewart / Portrait of Pierre Belon (1517?564) renaissance French explorer, naturalist, writer and diplomat. He worked on a range of topics including ichthyology, ornithology, botany, comparative anatomy, archit...

Paul D Stewart / Portrait of Pierre Belon (1517?564) renaissance French explorer, naturalist, writer and diplomat. He worked on a range of topics including ichthyology, ornithology, botany, comparative anatomy, archit...

Tim Laman / National Geographic magazine writer Mel White holds up one of the Giant Rat (possibly Leptomys sp.) species found in the Foja Mountains. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservat...

Christian Ziegler / Writer Michael Pollan holding small orchid

Christian Ziegler / Writer David Quammen taking notes in rainforest, Salonga National Park, Democratic Republic of the Congo

Christian Ziegler / Writer, Patricia Edmonds

Christian Ziegler / Writer and students, Bioko Island, Equatorial Guinea