硕士英语综合教程第8单元课件-(精选·公开·课件).pptVIP

A carbon footprint is a measure of the impact our activities have on the environment, and in particular climate change. It relates to the amount of greenhouse gases produced in our day-to-day lives through burning fossil fuels for electricity, heating and transportation etc. The carbon footprint is a measurement of all greenhouse gases we individually produce and has units of tonnes (or kg) of carbon dioxide equivalent. The pie chart shows the main elements which make up the total of an typical persons carbon footprint in the developed world. 17. Both use point systems that tally up a home’s earth-friendly attributes and award different levels of certification. (Para 8) Both use scores to evaluate a home’s environment-friendly features and give different levels of certification. tally up: to calculate the total number, cost, etc. of sth. When we tallied up the cost of moving, we decided against it. 18. At times such chatter about how a shift toward green building might lift this moribund industry sounds like so much wishful thinking. (Para. 9) At times such chat about how a change toward green building might improve the dying building industry, which sounds hopeful. Energy Star is an international standard for energy efficient consumer products originated in the United States of America. Devices carrying the Energy Star logo, such as computer products and peripherals, kitchen appliances, buildings and other products, generally using 20%~30% less energy than required by federal standards. Energy Star logo Energy Star appliances 19. The smaller you are, the more your numbers might mislead you to thinking this is what matters. (Para. 9) The smaller the building company is, the more the company might be influenced by the numbers of green homes it built, as a result, they might have the wrong idea that this is what is important. 20. eco-minded : ecology-oriented -minded adj. 1. (used in combination) mentally oriented toward something specified civic-minded / caree