Guardian feature National Geographic ‘Sea to Source’ expedition. Heather Koldewey, co-lead talks about the use of the plastic tracking devices designed and produced by Icoteq for the expedition.
‘Following the Ganges upstream from where it empties in the Bay of Bengal to its source in the Himalayas, the National Geographic-backed expedition aims to better understand how plastic pollution travels from source to sea and provide solutions for reducing the amount that ends up in the world’s oceans.’