Resumen de Melting at the Top.
The article looks at the effect of global warming on Arctic regions. The future impact of global warming lies in the Arctic. The Arctic Council, an intergovernmental organization comprising eight nations plus several indiJOURous peoples' organizations, issued a sobering report last November. It estimates that by late in this century, average Arctic winter temperatures will rise roughly four to seven degrees Celsius over land and seven to 10 degrees C over oceans, leading to profound changes by the end of the century. Unlike the tropics, where a large proportion of the energy received at the surface goes into evaporation, more of the energy received at the Arctic surface goes into warming the atmosphere. According to the Arctic Council, the Greenland ice sheet, the largest mass of land-based ice in the world, will probably cross the line into irreversible melting in this century. Arctic warming would devastate polar bear and seal populations and disrupt the lives of the indiJOURous people. INSET: FURTHER READING.
