and there is nothing they can do immediately. we are going to have 3 4 weeks of this. longer term there are things we should be doing. we had a new strategy on food last july, we should be committing to onshore production, so glasshouse production of cucumbers and tomatoes. we should be trying to build that here. we should have a more enlightened approach to labour, so food can get more access to labour. sheffield will become the latest city in the uk to introduce a clean air zone from monday. drivers of the most polluting lorries, vans, buses and taxis will now be charged to enter the designated area though private cars and motorcycles are exempt. dan johnson has more. no to clean air zones. no to extortionate charges for driving in our own city. | there s a new battle zone in the fight for clean air. sheffield s seen opposition. so has cambridge, and other cities, too, as clean air zones hit more streets across the country.
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cuttings and this is the first time we have done that we started ten years ago. so you can propagated started ten years ago. so you can propagated by started ten years ago. so you can propagated by leaf- started ten years ago. so you i can propagated by leaf cuttings and therefore amateur gardeners could maybe grow one in their back garden? it’s could maybe grow one in their back garden? back garden? it s not an easy lant to back garden? it s not an easy plant to cultivate, back garden? it s not an easy plant to cultivate, it - back garden? it s not an easy plant to cultivate, it needs i back garden? it s not an easy plant to cultivate, it needs to have the warm tropical environment so even here in south australia you wouldn t be able to grow them outdoors so we grow them in a climate controlled glasshouse. crosstalk. controlled glasshouse. crosstalk. ., , ., crosstalk. constant temperature throu . h the crosstalk. constant temperature through the year crosstalk. constant te