Plastic waste is a problem – but some solutions are even worse
16 May 2018
Plastics have done wonders for hygiene and human health. We need to fix the waste problem – but don’t throw out the baby with the bath tub
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Fixing planet plastic: How we'll really solve our waste problem
16 May 2018
From bag bans to bacterial mulchers, many solutions are touted for the plastic waste crisis. Find out which work – and which don't – in our definitive guide
Towing icebergs to Cape Town is a poor way to halt water crisis
8 May 2018
Hauling chunks of polar ice to dry regions to provide fresh water sounds tempting but there are many reasons to reject it, says Olive Heffernan
