The Sunday Telegraph of London notes that although the British government is reducing the sulfur emissions from its power stations to control the source of contamination, the residual effects of acid rain can continue for many years.
लेकिन, उनकी जाति के बड़े अफ्रीकी हाथियों को इतना आक्रामक समझा गया है कि उन्हें पालतू नहीं बनाया जा सकता ।