Fill in the Blanks WWF Report on Enviroment (fill the gap)Online version To be able to speak about enviroment problems, special vocabulary needs to be learned. Write the correct word in the gabs. by Irina Regne 1 serious extinct migrate water degrees temperature climate oxygen A new report from the World Wild Fund ( WWF ) shows how fish populations are in danger from Global Warming . The report " Are we putting our fish in hot ? " describes how change is increasing the water in rivers , lakes and seas . This means there is less food and available for fish . It also means the fish may not grow fully and may have fewer offspring . Some fish cannot reproduce , if winter temperatures are not cold enough . Warmer water means fish could mass to cooler areas . Some species will become , if temperatures rise even by one or two . WWF ( adapted )