A resident digs out his walkway in St. John's Newfoundland on Saturday, January 18, 2020. The state of emergency ordered by the City of St. John's is still in place, leaving businesses closed and vehicles off the roads in the aftermath of the major winter storm that hit the Newfoundland and Labrador capital. (Photo by Andrew Vaughan/The Canadian Press via AP Photo)

A model presents a creation by designer Alexis Mabille as part of his Haute Couture Spring/Summer 2020 collection show in Paris, France, January 21, 2020. (Photo by Francois Lenoir/Reuters)

Swedish climate change activist Greta Thunberg, Isabelle Axelsson and German Luisa Neubauer take part in a climate strike protest during the 50th World Economic Forum (WEF) annual meeting in Davos, Switzerland on January 24, 2020. (Photo by Denis Balibouse/Reuters)

Wu Lingling, a nurse from Central Hospital of Shanghai Fengxian District says goodbye to her husband Zhao Kun before leaving for Wuhan at Shanghai South Railway Station in east China's Shanghai, January 27, 2020. A team comprised of 50 medical workers from 40 hospitals in Shanghai left for Wuhan City on Monday to aid the novel coronavirus control efforts there. (Photo by Ding Ting/Xinhua News AgencyAlamy Live News)

Girls hold hands as they arrive their New Year parties in Newcastle, England on December 31, 2019. (Photo by Craig Connor/North News and Pictures)

An army soldier takes a tree branch from an anti-government protester who is blocking a major highway that links the capital Beirut to northern Lebanon, in the town of Nahr el-Kalb, north of Beirut, Lebanon, Friday, January 3, 2020. Lebanon is facing its worst economic crisis in decades, while protests against corruption and mismanagement have gripped the country since October. (AP Photo/Hussein Malla)

A model walks the runway during the Neo Fashion show during Berlin Fashion Week Autumn/Winter 2020 at Vienna House Adel's on January 13, 2020 in Berlin, Germany. (Photo by Robert Schlesinger/Getty Images for Neo.Fashion.2020)

In this photo taken Thursday, January 16, 2020, a Samburu boy uses a wooden stick to try to swat a swarm of desert locusts filling the air, as he herds his camel near the village of Sissia, in Samburu county, Kenya. The most serious outbreak of desert locusts in 25 years is spreading across East Africa and posing an unprecedented threat to food security in some of the world's most vulnerable countries, authorities say, with unusual climate conditions partly to blame. (Photo by Patrick Ngugi/AP Photo)