COVID-19 dominated the headlines and our lives in 2021, but there were reasons for optimism in the fields of medicine, technology and the environment.
Top COVID-19 news stories: Britain reports record-high number of daily cases putting hospitals under pressure; Rapid spread of Omicron hits Euro zone business; South Korea reinstates soci...
Top COVID-19 news: Omicron variant driving rising infection rates; Study finds 'low to absent' vaccine protection without booster shot; Pfizer vaccine set to dominate COVAX distribution t...
Top stories: US extends booster shots to 16- and 17-year-olds; WHO warns rich countries against vaccine hoarding; German Health Minister defends restrictions on unvaccinated people.
Top COVID-19 news stories: WHO warns of more hospital cases as Omicron is confirmed in 57 countries; US sets new record for COVID-19 booster shots; study shows Omicron variant can partial...
Top stories: WHO tells Asia-Pacific to brace for Omicron as variant spreads; Germany imposes restrictions on unvaccinated people; US steps up travel restrictions and brings in free COVID-...
The World Health Organization has identified a new COVID-19 'variant of concern' called Omicron - scientists are racing to learn what level of threat it poses.
COVID-19 top news stories: US issues new travel warnings as infection rates surge in Europe; Pfizer reports its vaccine provides strong and long-term protection for adolescents; Expert pa...
Top Stories: Austria reimposes full lockdown and makes vaccination compulsory; Russia reports new record for COVID-19 related deaths; US to buy 10 million courses of Pfizer's COVID-19 pill.
Top COP26 stories: negotiators enter final hours of talks on deal but divisions remain; UN Secretary-General casts doubts on climate commitments at COP26.
Top COP26 stories: China and the US reach emissions deal; aviation sector seeks sustainable jet fuels; call for global agreement on sustainability reporting standards.
Top stories: COP26 draft proposal urges countries to raise climate targets; the world is on track for a dangerous 2.4C of global warming this century, say analysts.
Top stories: Former US President Barack Obama backs COP26 climate protesters; wealthy nations urged to 'pay up' for climate damage; island state of Tuvalu seeks to remain a nation if subm...
Top stories: Britain gives world's first approval for anti-COVID-19 pill; WHO calls for limits on booster shots; President Biden to enforce US vaccine mandate from January 4.
Top stories: WHO approves Indian vaccine; Germany reports daily record for number of new infections; Chinese ports enforce strict travel restrictions as a new domestic outbreak takes hold.
