A well-known environmental organization has recently campaigned for greater restrictions on plastic waste, arguing that such measures are essential to reduce ocean pollution. They assert that studies show a direct correlation between plastic waste and the decline of marine biodiversity. However, some business representatives counter that implementing these restrictions could lead to significant economic backlash for companies relying on plastic products. They argue that the potential job losses in manufacturing and distribution sectors must be considered.
To strengthen the environmental organization's argument, which of the following pieces of evidence would be most helpful?