Russia's invasion of Ukraine has prompted the biggest shake-up of European energy markets this century. This film explains how Europe became so dependent on cheap Russian gas, and explores the hard choices facing the EU as it tries to balance energy security and climate ambitions.
In the coming days, people in the United States and the United Kingdom will be among the first to receive a new breed of COVID-19 vaccine. The hope was that these updated vaccines — based on Omicron variants of the SARS-CoV-2 virus — would offer substantially greater protection than older vaccines based on the strain of the virus that emerged in 2019.
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