21st century issues 1 Complete the sentences with these words. floods oil solar power global warming gas wind power GM food 1 ________ and ________ are examples of fossil fuels. 2 Terrible ________ hit the east coast of England in 1953. 3 We should develop more renewable energy resources like ________ and ________. 4 Some people believe that ________ will help to prevent famine in the Third World. 5 ________ is a consequence of our lack of care for the environment.