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The risk of ‘cascading’ natural disasters is on the rise

In a warming world, the dangers from natural disasters are changing. In a recent commentary, we identified a number of costly and deadly catastrophes that point to an increase in the risk of "cascading" events — ones that intensify the impacts of natural hazards and turn them into disasters.

Why the sudden interest in ocean plastic?

Over the last year, there has been a surge of interest in the problem of ocean plastic pollution. The media drumbeat began with the now-infamous turtle video, continued through National Geographic’s year-long “Planet or Plastic” series, and hit a new high with the BBC release of “Blue Planet ll.”

Beetle mania: The nasty insect that is killing the trees of Johannesburg

South Africa’s largest city proudly notes that it has one of the world’s largest urban forests. But an invasive insect has been killing Johannesburg’s trees by the tens of thousands, and baffled experts are scrambling to find ways to stop it.

What micro-mobility services really need

Whatever you want to call the rising use of shared bikes, scooters and vehicles — micro-mobility, Mobility-as-a-Service, shared active transportation — the trend isn't just about cool new gadgets, making investors incredibly wealthy or ticking off slow-moving cities