Even a 10 per cent loss in overall efficiency could make electric cars the less environmentally attractive option. (newscientist.com)
Canadian Fixed Income returns moved lower, posting a 2 per cent loss this quarter compared to a 1.4 per cent gain in Q2 2017. (rbc.com)
Balloon flights from McMurdo Station, which lies at 78 degrees South, revealed severe ozone depletion in October 1991 at altitudes between 12 and 20 kilometres, with a 93 per cent loss of ozone between 17 and 18 kilometres (Geophysical Research Letters, vol 19, p 1105). (newscientist.com)