Trump falls back on conspiracy and division as his options run out, Richard Hall finds in DC

Mr Biden ran his campaign on a promise to make the climate crisis a top priority of his administration 

Experts tell Adam Forrest about the possibilities for an exciting recovery in the year ahead

Equitable distribution of Covid-19 vaccines globally would prevent 61 per cent of subsequent deaths, compared to 33 per cent of deaths avoided if doses are shared with rich nations first, research shows