Unit6 Presenting ideas （ppt课件）-2022新外研版（2019）《高中英语》必修第二册.pptx

1、 To discuss items that contribute to a carbon footprint.To work together to discuss effective measures to reduce carbon emissions.Do you know what carbon footprint is?A carbon footprint is the total amount of greenhouse gases(including carbon dioxide and methane(沼气沼气)that are generated by our action

2、s.The average carbon footprint for a person in the United States is 16 tons,one of the highest rates in the world.Globally,the average is closer to 4 tons.To have the best chance of avoiding a 2 rise in global temperatures,the average global carbon footprint per year needs to drop under 2 tons by 20

3、50.Lowering individual carbon footprints from 16 tons to 2 tons doesnt happen overnight!By making small changes to our actions,like eating less meat,driving less and drying our clothes outside,we can start making a big difference.adj.平均（数）的平均（数）的Look at the three items that contribute to a carbon fo

4、otprint.Add any more you can think of.v.促成，造成促成，造成（某事发生）（某事发生）transport meat productsWe should particularly avoid beef that has been shipped from far away.As crazy as this may sound,the livestock industry is actually accountable for 18%of greenhouse gas emissions.In particular,methane is a big probl

5、em when it comes to cattle raising.You dont have to stop eating beef entirely,but consider saving it for special occasions.When you do eat beef,make sure that it is free-range and grass-fed,as this has both lower emissions and is better for the animal.modern appliancesMake sure that you unplug your

6、electronics when you are not using them.plastic packaging taking longer shower disposable chopsticks and lunch box Creat a carbon footprint survey.Think of two questions and possible answers for each topic.Carbon footprint survey1 How often do you walk,cycle or take public transport to school?Never(

7、3)One to three times a week(2)Almost every day(1)2 How often do you eat beefsteak?Often(3)sometimes(2)seldom(1)Carbon footprint survey3 How long does it take you to take a shower?More than 15 minutes(3)15 mimutes(2)less than 15 minutes(1)Carry out the survey and use the results to come up with ways

8、to reduce carbon footprint.The average score of our group is The result show that The biggest problem is Were glad to see that In order to,we suggestReport the results of your survey and your ideas to the class.Use the expressions to help you.After completing this unit,I can rate my performance 1(ex

9、cellent),2(good)or 3(in need of improvement).talk about enviromental issues interrupt some politely write a persuasive letter to raise awareness of an environmental issue challenge views or assumptions and make informed decisions live a greener life at home and at schoolIve learnt to make use of the

10、 following words and expressions._shark,scare,due to,fin,dive,target,fortunately,extinction,attitude,devote,ocean,highlight,cruelty,hunting,presentation,reserve,staff,establish,damage,drought,flood,affect,supply,restore,adopt,sustainable,bulb,renewable,carbon,greenhouse,reusable,brochure,reduce,solar,release,smog,fog,severe,infection,lecture,permission,slide,majority,false,amount,device,stand-by,mode,electricity,leak,appliance,remove,plug,takeinto account,litre,campaign,urge,canteen,concerned,contribute,average _I still need to improve:_Finish your survey based on Task 3 on page 72.