The topic is so brutal I feel bad pointing out how artistic they made it render in mobile. I’m so used to short articles now that I kept getting surprised by each step they took in actually doing research. Great job all around.
On the design / presentation: One thing that jumped out at me was the odd choice to use the phrase "1 million square meters - roughly the size of 140 soccer fields.". Are they trying to make "one square kilometer, - roughly[...]" sound more dramatic than it needs to?
Outside of the USA, floor space of buildings is typically measured in square meters. If you have a 15 floor office tower its gross and rentable square feet will be listed in square meters. This allows for comparison to other known structures.