1.Turn off your monitor
• Monitors use about the same amount of energy as a light bulb. Even in standby mode (待机模式) when the computer is off, they drain(消耗) energy that's not necessary. Shut off your monitor if you're not using your computer for more than 20 minutes. • Screen savers(屏幕保护程序) don„t save energy at all: in fact, some elaborate(精心制作的) ones use additional energy. They used to protect screens years ago, but that's no longer the case.
2. Use clean Energy • Fossil fuels are the source of most of our energy today and account for about 60% of greenhouse gas emissions globally.
3. Reduce deforestation
Effects
trend On the one hand, Dr Foster thinks that the ______ that the temperature increases by 5 degrees would be a catastrophe She says, “We can‟t predict the climate well _________. enough to know what to expect, but it could be very serous.” Others who agree with her think there may be a rise of several metres in the sea level, or predit severe storms, floods, _____ droughts, ______, the ______ of diseases and the famines spread disappearance of species. ____________ On the other hand, there are those, like George Hambley, who are ______ to this view and believe that we should not opposed worry about high levels of carbon dioxide in the air. They predict that any worming will be m______ with few bad ild onsequences states environmental c___________. In fact, Hambley _____(声明), “More carbon dioxide is acturally a positive thing. It will make plants grow quicker; crops will produce more; it will encourage a greater ______ of animals –- all of which will make life for range human beings better.”
