Man and Environment

1、 Man and EnvironmentEnvironment: the conditions that affect the behaviour and development of somebody/somethingThe environment: the natural world in which people, animals and plants live (natural environment)Victoria Falls Glacier Bay National Park Amazon Rainforest Our environment is in emergencySe

2、rious pollution of the Earth began in the Industrial RevolutionBut the effects werent obvious for many years. People didnt begin to fear for their planet until 1980s. Now ,our earth has been heavily damaged and we are still harming our planet in so many ways.Top ten environmental issues Global warmi

3、ng Ozone depletion The biodiversity decline Acid rain Forest demolish Land desertification Air pollution Water pollution Marine pollution Solid waste pollution Global warming is the increase in the average temperature of the Earths near-surface air and oceans in recent decades and its projected cont

4、inuation. The cause of global warming is the increased carbon dioxide emissions into the atmosphere. the rise of sea levelOzone depletionThe ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays. International day for the preservation of the ozone layer据国外的科学家估计

5、，物种丧失的速度比人类干预以前的自然灭绝速度要快1000倍。据联合国环境计划署估计，在未来的20-30年之中，地球总生物多样性的25%将处于灭绝的危险之中。 Acid rainrain or snow whose PH is fewer than 5.6The latest ranking: Europe North America ChinaForest demolishRainforest is the lung of the earthThis is the distribution of the rainforest on Earth. There are three main rai

6、nforest on Earth: one is in Africa, another one is in South-eastern Asian and the last one is in South America.Now !The rainforest is being destroyed!Forest fire Human destruction Land desertificationsoil erosion land salinization rocky desertificationGrassland degradation Sandstorm Air pollutionFac

7、tories let off dangerous gases into the airCars also pour dangerous gases into the airHaze Smog a slight obscuration of the lower atmosphere, typically caused by fine suspended particles fog or haze intensified by smoke or other atmospheric pollutants sulfur dioxide (SO2) nitrogen oxide (NOx) Inhalable particulate PM 2.5 可入肺颗粒物,细颗粒物PM 10 可吸入颗粒物particulate matter AQI (Air Quality Index )API (Air Pollution Index )Water pollution1. industrial wastewater (工业废水)2. Daily life sewage (生活污水)3. Pesticide and fertilizer pollution （农业化肥污染）Marine pol