Advances in Polar Science
Contents Vol. 31 No. 4 December 2020

Opinion Editorial
Evaluation of the Polar Code in different environments and for different maritime activities in the two polar regions
Meric KARAHALIL & Burcu OZSOY

Review
Nitrous oxide research progress in polar and sub-polar oceans
ZHAN Liyang, ZHANG Jiexia, LI Yuhong & WU Man

Articles
Approximating home ranges of humpback and fin whales in Drake Passage and Antarctica José Luis ORGEIRA & Facundo ALVAREZ Installing a prototype wind turbine to produce energy in Antarctica to allow a permanent Colombian scientific base to be established
Cesar Jimenez LOZANO
Air pollutants and greenhouse gases emission inventory for power plants in the Antarctic
Sergey KAKAREKA

Letters
Are Antarctic Specially Protected Areas safe from plastic pollution? a survey of plastic litter at Byers Peninsula, Livingston Island, Antarctica
Pablo ALMELA & Sergi GONZALEZ
Large spread across AeroCom Phase II models in simulating black carbon in melting snow over Arctic sea ice
PAN Shifeng & DUAN Mingkeng