Now that the Paris climate agreement has successfully pushed 195 nations to reduce their emissions in the struggle to prevent global warming, a new questions arises: How will the countries most vulnerable to climate change - usually the poorest ones - respond and adapt, and how can we help them?

A global index managed by the University of Notre Dame reveals the five countries that are most vulnerable to the effects of climate change: Eritrea, Chad, Central African Republic, Sudan and the Democratic Republic of the Congo.

The findings stem from 25 years of data that take into account countries' preparedness for risks connected to climate change such as overcrowding, food insecurity and civil conflicts.

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