1 The eruption of a volcano can cause a tsunami. 2 Scientists’ prediction is that climate change will get worse in ten years. 3 Hurricane Katrina caused devastation in New Orleans in 2005. 4 We must give some animals protection so they can survive. 5 The fire caused the destruction of an old theatre.1 There will be famine in Africa next year if there is no rain soon. 2 Many people in big cities are still living in poverty. 3 A lot of crime these days is a result of racism. 4 Homelessness is a big problem and the government should provide special places for street people to live. 5 People become involved in terrorism for different reasons.