![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](https://webarchive.unesco.org/web/20160813052125im_/http://www.un.org/climatechange/summit/wp-content/uploads/sites/2/2014/10/602389.jpg)
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](https://webarchive.unesco.org/web/20160813052125im_/http://www.un.org/climatechange/summit/wp-content/uploads/sites/2/2014/10/602390.jpg)
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](https://webarchive.unesco.org/web/20160813052125im_/http://www.un.org/climatechange/summit/wp-content/uploads/sites/2/2014/10/602391.jpg)
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](https://webarchive.unesco.org/web/20160813052125im_/http://www.un.org/climatechange/summit/wp-content/uploads/sites/2/2014/10/602392.jpg)
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](https://webarchive.unesco.org/web/20160813052125im_/http://www.un.org/climatechange/summit/wp-content/uploads/sites/2/2014/10/602393.jpg)
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](https://webarchive.unesco.org/web/20160813052125im_/http://www.un.org/climatechange/summit/wp-content/uploads/sites/2/2014/10/602394.jpg)
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