Asia's ocean pollution crisis: Greenpeace activist A Greenpeace activist and expert on plastic waste in Indonesia says much of the pollution crisis in Southeast Asia is caused by a lack of disposal options, and believes governments should play a role in the reduction of use of plastics. SOUNDBITES. (To coincide with World Environment Day on 5 June, AFPTV is moving a series of images from China, Indonesia, Thailand, The Philippines and Vietnam. According to a 2015 study by Ocean Conservancy, more than half the plastic waste in the ocean comes from those five Asian countries)