The military can make a big difference right away but humanitarian deployments should generally be rare and brief.
Puerto Rico's Cayo Santiago Research Station has been a world-famous site for primate studies since 1938. Now scientists are working to save its staff and rhesus monkey colony after Hurricane Maria.
Natural disasters expose people to toxic gases, bacterial illness and other serious dangers. How can people maximize their safety as they return home?
The interests of future holiday-makers are far from important in times of crisis, but tourism is economically key to these countries.
Hurricane Maria has left 3.4 million Puerto Ricans facing shortages of food, health care and transit, an American humanitarian crisis fueled by the US territory's May 2017 bankruptcy.
It's not just the land and people that have been badly affected by hurricanes.
An expert in post-disaster reconstruction explains what works, and what doesn't, when it comes to rebuilding a city.
The Caribbean is facing its second deadly hurricane in as many weeks. This isn't just bad luck: the region's extreme vulnerability to disaster also reflects entrenched social inequalities.