Превратить активный залог в пассивный. Europe was consuming too much oil when the economic crisis broke out. Leonardo DiCaprio listed several environmental issues in his Earth Day speech. The discovery of a cheap and non-polluting car would improve the world economy. Climate changes have caused the rise of temperature in many areas. Most countries ratified the Kyoto Protocol in November 2001. Pollution affects the environment in many ways. Deforestation has destroyed some rainforest ecosystems. The greenhouse effect causes serious climate changes around the globe. Some farmers are overusing chemicals on their farms. Environmentalists were saving endangered species after the oil spill. Global warming will affect specific regions in different ways. People are using too much freshwater nowadays.