resention环境污染

1、Environmental Problems in China,Air Pollution,Outline,I. Introduction,A. Importance,B. Types,II. Outdoor air,pollution,A. Cause,B. Harm,C. Solution,III. Indoor air pollution,A. Harm,B. Cause,C. Solution,IV,. Sealed-space,air pollution,A. Cause,B. Harm,C. Solution,4,Intro,?,15,cubic,meters of air,per

2、 day,?,2,000,00,0,people died,per year,Importance,Harm,5,Intro,Outdoor air pollution,Indoor air pollution,Sealed-space,air pollution,Type,Harm,6,Outdoor,air pollution,Burning of fuel,T,raffic,transportation,Factories,Power,plants,Coal,burning,Cause,Harm,7,Outdoor,air pollution,Dust,Construction,site

3、s,Deserts,Cause,Harm,Mines,8,+,Haze,Outdoor,air pollution,Fog,(tiny water drops),Airborne,particulars,Type1,Harm,9,SO,2,Smog,Outdoor,air pollution,Sulfur dioxide smog,SO,2,*SO,4,2-,Type2,Harm,+,Sulfur dioxide,SO,2,compounds,10,Sun light,Hydrocarbon, etc,Outdoor air pollution,NOx,Type3,Harm,+,Nitroge

4、n oxides,Photochemical,smog,11,Eyes,Headache,Harm,Outdoor air pollution,Nose,Cough,Lungs,Potential disease,Harm,12,Wear a mask,while going out,Solution,Harm,Wash face &,hands when you,return,Drink more,water & eat,health food,Outdoor air pollution,13,?,70%,time,staying,indoors,Harm,Harm,Indoor air p

5、ollution,?,A greater,effect on us,?,Cause life-,long disease,14,?,Harmful,materials,Cause,Harm,Indoor air pollution,CH2O,Indoor-decoration,Paint,Furniture,Cooking Stove,15,?,Radiation,&,Electromagnetic,Radiation,Cause,Harm,Indoor air pollution,Concrete,Computer,Microwave,Cell Phone,16,Open the,windo

6、w,Solution,Harm,Indoor air pollution,Carpet,Put quilts under,the sun,Keep a plant,17,Sealed-space air pollution,T,ransportation &,Underground buildings,Cause,Harm,Lack of fresh air,Lack of sun light,18,?,Thousands of,people go out,by subway/,bus,Cause,Harm,?,CO,2,& germs,?,Max value at,8:00 & 17:00,

7、Sealed-space air pollution,19,Harm,Harm,Disease can be,easily spread,Sickness,Dizziness,Sealed-space air pollution,20,Solution,Harm,Wash hands,frequently,Go out when,therere not so,much people,Breathes fresh,air on the half,way,Sealed-space air pollution,21,Always keep,yourself clean!,Summary,Keep a

8、n eye on,the air quality,Drink more,water,Nowadays, water pollution is deteriorating. Rivers, lakes,and even oceans are becoming polluted by garbage and dan,-gerous chemicals . Moreover, oil and dangerous chemicals,can kill fish and make water unsafe for drinking. Water poll,-ution has already becom

9、e one of the top ten main environ-,mental problems in China.,Water Pollution,effects,causes,solutions,?,Natural pollution:,Due to the dissolution of geological atmospheric preciptation l,eaching, erosion on the ground, mix and various pollutants into the,water.,?,Man-made pollution:,?,Industrial was

10、tewater,?,Daily life sewage,?,Pesticide and fertilizer pollution,Industrial wastewater,Daily life sewage,Pesticide and fertilizer,?,To aquatic animals: Water pollution destroyes their habi-t,ats and even leads to their death.,?,To agriculture and industry: Water pollution affects prod-,ucts quality,

11、 increased corrosion of product.,?,To individual : Water pollution damages humans health. I,t is said that about 80% of illness and 50% of the death rat-,e of children is a result of the water pollution.,?,To itself: Causing water eutrophiciation(,水体富营养化,),and red tide.,Effects,water hyacinth,Soluti

12、ons,For government:,To establish urban sewage treatment system.,To restructure industry.,To control agricultural non-point source.,For business:,Dont discharge sewage into water.,Establish water recycling system.,For individual:,Dont throw garbage into the river.,Tell the person around you to protec

13、t water.,Plant trees as they do good to the purification of water.,Land pollution,?,土地污染,situation,?,the degree,?,the whole country,?,?,sewage irrigated pollution,?,solid waste,150 million,32.5million,2 million,10%,situation,?,the effect,?,the heavy metal pllution,?,the direct economic losses,seriou

14、s consequences,?,(1) through the food chain endanger,human body health.,?,(2) some land pollution have a direct,dangers of radioact which will affect human,health and survival of other species .,?,(3) In terms of ecological environment effect,land pollution will directly result in,deterioration of soil properties, so that the,vegetation and the Biodiversity will reduced.,measures,?,(1) to strengthen the management of i