Global negotiations on a treaty to end plastic pollution at critical phase in Canada

Negotiators aim to conclude a treaty by the end of 2024.

Retailers join call for Maine to ban plastic bags statewide

But opponents including the Maine Heritage Policy Center say the bill would only add costs for businesses and consumers.

Judge blocks release of blueprints for 3D-printed guns

Donald Trump consults NRA about 3D guns made of plastic

Amid a flood of plastic, big companies try to clean up image

Portland City Council to consider shopping bag fee

Portland considering shopping bag fee

Portland considers ban on plastic foam products