A teenager’s plan to trawl for plastic in the Pacific becomes reality
System 001 is the first of a fleet to clean the ocean
FEW things exercise green sensibilities more these days than marine plastic litter. The detritus looks unsightly when it washes up on beaches, and cruel when it chokes photogenic sea creatures. Scientists estimate that perhaps 8m tonnes of plastic waste enters the ocean each year, discharged by rivers or shed from ships. Plenty stays close to shore. Some, though, is carried by currents to mid-ocean gyres.
This article appeared in the Science & technology section of the print edition under the headline “Sweeping the ocean”
From the September 15th 2018 edition
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Deforestation is costing Brazilian farmers millions
Without trees to circulate moisture, the land is getting hotter and drier
Robots can learn new actions faster thanks to AI techniques
They could soon show their moves in settings from car factories to care homes
Scientists are learning why ultra-processed foods are bad for you
A mystery is finally being solved
Scientific publishers are producing more papers than ever
Concerns about some of their business models are building
The two types of human laugh
One is caused by tickling; the other by everything else
Scientists are building a catalogue of every type of cell in our bodies
It has thus far shed light on everything from organ formation to the causes of inflammation