newscasts and provides content for regional updates. Major radio programs include World Report, The World at Six, The World This Hour and The World this Weekend. The majority of news and information is aired on CBC Radio One. All newscasts are available on demand online, via apps or via voice-activated virtual assistants. Online CBC News Online is the CBC's CBC.ca news website. Launched in 1996, it was named one of the most popular news websites in Canada in 2012. The website provides regional, national, and international news coverage, and investigative, politics, business, arts and entertainment, investigative, politics, business, entertainment, Indigenous, health, science and tech news. An Opinion section was reintroduced in November 2016. Many reports are accompanied by podcasting, audio and video from the CBC's television and radio news services. CBC News content is available on multiple platforms including Facebook, Twitter and Instagram. In November 2022, the CBC launched CBC News Explore, a free ad-supported streaming television service. In addition to existing CBC news and information programming, new original programming on the service includes About That, a daily news and interview show hosted by Andrew Chang; Planet Wonder, an environmental news series hosted by Johanna Wagstaffe; Big, a documentary series about industry; and This Week in Canada, which highlights local news stories from the CBC's local news bureaux in various cities. Network CBC News Network (formerly CBC Newsworld) is an English-language news channel owned and operated by the CBC. It began broadcasting on July 31, 1989, from several regional studios in Halifax, Toronto, Winnipeg and Calgary. It was revamped and relaunched as the CBC News Network in 2009 as part of a larger renewal of the CBC News division. Current programs include CBC News Now (based in Toronto with Heather Hiscox, Suhana Meharchand, Carole MacNeil, John Northcott, Andrew Nichols (weekdays) and Aarti Pole and Michael Serapio (weekends), Power & Politics (based in Ottawa with host Vassy Kapelos), and The National (with Adrienne Arsenault, Ian Hanomansing (Toronto), Andrew Chang (Vancouver) and Rosemary Barton (Ottawa)). The network dropped the four-anchor format on January 22, 2020, and had Arsenault and Chang co-anchor from Monday through Thursday with Hanomansing as solo anchor for the Friday and Sunday editions. Barton became the chief political correspondent for CBC News; she continues to host The National'''s weekly "At Issue" political panel. Weather centre In November 2005, the CBC News Weather Centre was established to cover local and