30 Mar 2018 --- Typical Easter indulgence in chocolate eggs may well come with associations of calorie guilt for some consumers, but recent research has cast a darker shadow on the chocolate treats, indicating their potential environmental damage. Researchers at the University of Manchester estimate that the UK chocolate industry produces 2.1m tones of greenhouse gases per year and that it takes a heavy 1000 liters of water to produce one chocolate bar. The packaging that accompanies the Easter eggs add the proverbial icing to the cake, campaigners claim.