California environmentalists battling to stop plastic from polluting the ocean and piling up in landfills say they can’t wait for state lawmakers to act. Supporters must collect 623,212 signatures of registered California voters by the end of April to qualify the proposed initiative for the November ballot. The measure would require manufacturers to make all plastic packaging and single-use foodware items, including cups, straws, and utensils, recyclable or compostable by 2030.