In this Jan. 24, 2015 photo, a scientist takes notes in Robert Island, South Shetland Islands archipelago, Antarctica. Scientists believe the melting of Antarctic glaciers as a consequence of global warming contributes to rising sea levels.
In this Jan. 24, 2015 photo, a scientist takes notes in Robert Island, South Shetland Islands archipelago, Antarctica. Scientists believe the melting of Antarctic glaciers as a consequence of global warming contributes to rising sea levels. Natacha Pisarenko AP
In this Jan. 24, 2015 photo, a scientist takes notes in Robert Island, South Shetland Islands archipelago, Antarctica. Scientists believe the melting of Antarctic glaciers as a consequence of global warming contributes to rising sea levels. Natacha Pisarenko AP