For a limited time, Citroën is offering extra discounts to new car buyers in the UK who trade in their old car for a new Citroën with lower CO2 emissions. Selected C1, C2, C3, C4 and Berlingo ...

Concentrations of carbon dioxide (CO2) are now more than 50% higher than before humans started burning large amounts of fossil fuels. Last year, fossil fuel emissions were at record highs ...