Flooding remains a challenge in some Nigerian cities.
Sodiq Adelakun/AFP via Getty Images
Institutional failures, infrastructure, socio-economic challenges and disaster education influence Nigerian cities’ vulnerability to flood disaster.
Idrees Mohammed/EPA
In spite of monsoon season and cyclone Nivar, the most recent floods are largely man-made disasters.
A tidal drain at South Yarra, Melbourne, in 2008. The installation of litter-trapping equipment now prevents access.
Photo: Victoria Kolankiewicz
What was once the stuff of urban legends now spreads virally through social media claims the tunnels beneath our cities are used for child trafficking. The truth is both more mundane and important.
Yorkshire floods, 2014.
Matt Cornock/Flickr.
Artificial intelligence can help manage floods effectively, but decisions about which communities are protected require a human touch.
When a stream enters a culvert, the flow can be concentrated so much that water flows incredibly fast. So fast, in fact, that small and juvenile fish are unable to swim against the flow and are prevented from reaching where they need to go to eat, reproduce or find safety.
Shutterstock
Our new invention tackles one of the greatest impediments to fish migration in Australia: culverts, those tunnels or drains often found under roads.
A drain carries water but does little else, but imagine how different the neighbourhood would be if the drain could be transformed into a living stream.
Zoe Myers
Drains take up precious but inaccessible open space in our cities. Converting these to living streams running through the suburbs could make for healthier places in multiple ways.
A canoe ride on a flooded street in Ajegunle, a densely populated area in Lagos, Nigeria.
EPA/George Esiri
Heavy rains, poor and clogged drainage systems have made many towns and cities in Nigeria susceptible to massive flooding.