An acid rain burned the leaves of trees in Bulgaria, near the border with Romania. Bulgarian weather experts say this might be the result of the bombing campaign in Libya! A very high acidity level (pH 4.9) was registered near Vidin (north-west, on the border with Romania), Lovech (north) and Karnobat (south-east). An even higher acidity (pH 4.5) was reported at Plevna, Dobrich, Montana, Shumen in...