The COVID-19 pandemic brought into sharp focus many of the world's glaring inequalities in health care and access to products such as vaccines, therapeutics and tests.
The latest figures show the vast majority of the world's 8 billion inhabitants prefer to stay within their nation of birth. But almost 1-in-20 are on the move away from their home.
From drought in the Horn of Africa to floods in Pakistan, disease outbreaks and climate-related emergencies tag alongside a global food crisis made by worse by Russia's invasion of Ukraine. All add to the pressure for real action at the 27th U.N. climate summit.