'Plastic pollution really begins when we're making plastics and extracting oil, gas from the ground'

The 184 countries gathering to forge a landmark treaty on combating plastic pollution are seeking a way forward to tackle a global crisis wrecking ecosystems and trashing the oceans. For in-depth analysis and a deeper perspective, FRANCE 24's Eve Irvine welcomes Martin Wagner, Professor in the Department of Biology at NTNU: Norwegian University of Science and Technology.