1、Unit 6 Earth firstStarting out What environmental problems are we facing nowadays?smogextreme heat(climate change)ocean pollutionlight pollution What environmental problems are we facing nowadays?noise pollutionsoil pollutionwhite pollutionActivity 1 on page 811.What problems are mentioned in the vi
2、deo?2.Which of the facts in the video do you find most alarming?3.What does the video want to tell us?1.What problems are mentioned in the video?Deforestation,loss of biodiversity(extinction),no clean drinking water,thinner ice caps.2.Which of the facts in the video do you find most alarming?I find.
3、most alarming because there are less and less.,which is a great threat to earth.In my opinion,.is most alarming.Because.do(es)great harm to.3.What does the video want to tell us?Several environmental problems we are facing nowadays make our future uncertain.Its time for everyone to take action now a
4、nd make our planet a greener and safer place for our future generations.Earth,home to countless plants and animals for millions of years,has an uncertain future.How many of us are aware that.130,000 square kilometres of forest disappear every year around 25,000 tres are cut down each day just to mak
5、e toilet paper each day,around 150 to 200 species of plants and animals become extinct-nearly 1,000 times the natural rate of extinction over 1 million animals are killed by ocean pollution each year 1 billion people dont have clean drinking water a plastic bottle can take 450 years to break down th
6、e ice caps are more than 50%thinner than they were 40 years agoIf we do not change our ways,we are at risk of ruining our planet and destroying many more plants and animals.Some day in the future,there may be no tigers,no horses,no butterflies,no dolphins and no whales;nor will there be any trees or
7、 flowers.All of these things will be gone.And we will be gone,too.Time is running out.Our planet needs our help.Its up to us to decide together what happens next.1.What environmental problem does each cartoon refer to?2.What are the causes of these problems?3.What do you think is the most serious en
8、vironmental problem we face today?What should be done to help solve it?Activity 2 on page 811.What environmental problem does each cartoon refer to?water pollutiondeforestationair pollutionglobal warming2.What are the causes of these problems?problemscauseswater pollutiondeforestationair pollutiongl
9、obal warmingindustrial pollution,harmful chemicals in sewage profits at the price of environment,growing urban sprawlfossil fuel burning,emmison of exhaust gashuman activities,more fossil fuel buring3.What do you think is the most serious environmental problem we face today?What should be done to he
10、lp solve it?measuresindividuals?government?Its high time we(did).Its urgent to do.Its requested that sb.should do.measuresIts high time we led a green life.For example,we can choose carpooling,riding a bike or taking public transportation.Its urgent for us to set an example for those around us.In th
11、is way,more and more people will do their part in environmental pretection.individualsmeasuresgovernmentIts requested that government should make laws to protect environment.Its urgent for government to raise peoples awareness of protecting environment.For example,combine environmental protection with education,TV programs.Take action right now！
