Ritacuba Blanco: death of a Colombian glacier

But with the South American country hit by the warming effects of the El Nino weather phenomenon since late last year, large cracks have suddenly appeared in the glacier covering the peak, exposing the rock underneath. Experts say the glacier is melting at dizzying speeds, with climate change intensifying the effects of El Nino -- which makes an appearance every two to seven years, and lasts about nine to 12 months. The UN's World Meteorological Organization (WMO) has said that record temperatures...