Ashley Cooper / Collasing ice from the Russells Glacier, Kangerlussuaq, Greenland. July 2008.

Ashley Cooper / The Russells Glacier, Kangerlussuaq, Greenland. July 2008.

Ashley Cooper / The Russells Glacier and pool of meltwater at terminus, Kangerlussuaq, Greenland, July.

Ashley Cooper / Melt water from the Russells Glacier, Greenland, July 2008.

Ashley Cooper / Glacier coming off the Greenland ice sheet near Camp Victor north of Ilulissat, Greenland, July 2008.

Ashley Cooper / Russells Glacier with calved ice and meltwater, Greenland, July 2008.

Doug Perrine / Palm trees in Leilani Community Park, silhouetted against the glow from fountaining lava at fissure 8, Kilauea Volcano, Leilani Estates subdivision, near Pahoa, Puna District, Hawaii. June 2018.

Doug Perrine / River of lava entering the ocean at dusk. Ahalanui, Kapoho, Hawaii. This lava erupted from fissure 8 of the Kilauea Volcano, near Pahoa, Hawaii. June 2018.

Doug Perrine / Lava erupting from fissure 8 of the Kilauea Volcano, in Leilani Estates, near Pahoa, Hawaii. Here a river of lava flows through what was formerly a Papaya orchard in Kapoho, lower Puna District, Hawa...

Doug Perrine / 'Lava boat' or 'Lavaberg' (large chunk of partially hardened lava) floats down the lava river flowing through Kapoho, from Fissure 8 of the Kilauea Volcano, Puna District, Hawaii. June 2018.

Doug Perrine / 'Lava boat' or 'Lavaberg' (large chunk of partially hardened lava) floats down the lava river flowing through Kapoho, from Fissure 8 of the Kilauea Volcano, Puna District, Hawaii. June 2018.

Doug Perrine / Lava erupting from fissure 8 of the Kilauea Volcano, near Pahoa, flowing through what was formerly a papaya orchard in Kapoho, lower Puna District, Hawaii. June 2018.