Pollution
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Trump begins year-long process to formally exit Paris climate agreementMove, which will not be final until after 2020 elections, comes ahead of France and China signing pact on ‘irreversibility’ of climate accord -
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Thinking big: New Zealand's growing pains as population nears 5 millionAotearoa is navigating one of the most dramatic demographic transitions in modern times – and without major social conflict
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Five million pollution masks to be handed to Delhi residentsAir pollution in capital territory 20 times higher than WHO recommended safe level
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Fishing in the blackened and polluted waters off Venezuela – in picturesCrude oil oozes into the waters of Lake Maracaibo, yet fishermen still scratch a living on its sticky shoresGallery


I applaud Bristol for banning diesel vehicles. But why not ban all private cars?