CHANGES to the design of plastic bottles will help prevent litter at local beaches and waterways, environmentalists say. Beach Patrol Australia says that plastic straws and drink bottle lids are among the most frequently littered items on Australian beaches. It says that caps tethered to plastic bottles would help prevent pollution.BPA co-founder Dr Ross Headifen said “we collect hundreds of lids on our beaches every day. By mandating tethered caps, we can significantly reduce plastic pollution, avoiding millions of bottle tops from leaking into our environments.” “Our volunteers simply can’t keep up, we need to stop plastic entering our oceans…