These nitrates are very polluting and go through to the ground waters when it rains heavily or when the snow melts. Catalytic pipes and unleaded petrol play a great part in the improvement of the situation but the increase of diesel vehicles counter-balances this little change. More and more cars use this fuel but unfortunately their price is still quite high and the tank takes a lot of room in the boot of the car.
Families are more and more asked to sort out their rubbish.
But this effort repulses ordinary families and costs a lot of money to the local authorities but on the other hand it has allowed the construction of factories dealing with litter and therefore the creation of jobs. Every year ,in Picardy The weeks of the environment have been organized to inform everyone of the problems linked to pollution since the last past years. La pollution par les nitrates. Ces nitrates sont tr s polluants et passent dans les nappes phr atiques lors de pluies violentes et qui ruissellent ou lors de la fonte des neiges. La pollution par les gaz d' chappement.