By 2050, a staggering 1 billion people may be migrating due to climate change. This will affect communities with the poorest health first. Refugees, internally displaced people or those trapped in unviable living conditions may experience a myriad of health outcomes linked to extreme weather and migration challenges.
However, how climate change directly, or indirectly via migration, impacts health, and what the role of health systems can be, is still under explored.
Despite 196 countries signing the Paris Agreement and commitment to limit global warming, global greenhouse gas emissions continue to rise and the average global temperature has risen 1.2°C above pre-industrial levels and is expected to exceed 1.5°C by 2024.