Julia Marton-Lefèvre, Director-General of the International Union for Conservation of Nature (IUCN), speaks during the thematic discussion on "Climate Science".  UN Photo/Rick Bajornas

Julia Marton-Lefèvre, Director-General of the International Union for Conservation of Nature (IUCN), speaks during the thematic discussion on “Climate Science”. UN Photo/Rick Bajornas

 

Aleqa Hammond, Primer of Greenland, speaks during the thematic discussion on "Climate Science". UN Photo/Rick Bajornas

Aleqa Hammond, Primer of Greenland, speaks during the thematic discussion on “Climate Science”. UN Photo/Rick Bajornas

 

Thomas Stocker, Co-Chair of Working Group I of the Intergovernmental Panel on Climate change (IPCC), speaks during the thematic discussion on "Climate Science".  UN Photo/Rick Bajornas

Thomas Stocker, Co-Chair of Working Group I of the Intergovernmental Panel on Climate change (IPCC), speaks during the thematic discussion on “Climate Science”. UN Photo/Rick Bajornas

 

Enele Sosene Sopoaga (second from right), Prime Minister of Tuvalu, comments during the thematic discussion on "Climate Science". UN Photo/Rick Bajornas

Enele Sosene Sopoaga (second from right), Prime Minister of Tuvalu, comments during the thematic discussion on “Climate Science”. UN Photo/Rick Bajornas

 

A partial view of the audience during the thematic discussion on "Climate Science", including Irina Bokova (front row, right), Director-General of the UN Educational, Scientific and Cultural Organization (UNESCO). UN Photo/Rick Bajornas

A partial view of the audience during the thematic discussion on “Climate Science”, including Irina Bokova (front row, right), Director-General of the UN Educational, Scientific and Cultural Organization (UNESCO). UN Photo/Rick Bajornas

 

Aleqa Hammond (second from left, and on screen), Primer of Greenland, speaks during the thematic discussion on "Climate Science".  Also on the panel are, from left: Barbara Frost, Chief Executive Officer of WaterAid; H.E. Tsakhiagiin Elbegdorj, President of Mongolia; Thomas Stocker, Co-Chair of Working Group I of the Intergovernmental Panel on Climate change (IPCC); Julia Marton-Lefèvre, Director-General of the International Union for Conservation of Nature (IUCN); and Paul Tsietsi Monare, Weather Anchor, South African Broadcasting Corporation (SABC). UN Photo/Rick Bajornas

Aleqa Hammond (second from left, and on screen), Primer of Greenland, speaks during the thematic discussion on “Climate Science”. Also on the panel are, from left: Barbara Frost, Chief Executive Officer of WaterAid; H.E. Tsakhiagiin Elbegdorj, President of Mongolia; Thomas Stocker, Co-Chair of Working Group I of the Intergovernmental Panel on Climate change (IPCC); Julia Marton-Lefèvre, Director-General of the International Union for Conservation of Nature (IUCN); and Paul Tsietsi Monare, Weather Anchor, South African Broadcasting Corporation (SABC). UN Photo/Rick Bajornas