Living_environment(我们生存的环境).ppt

1、Living Environment,What is environment? Noun environmental adj 1. the surroundings in which a person, animal, or plant lives 2. Ecology: the environment the natural world of land, sea, air, plants, and animals: nuclear waste must be prevented from leaking into the environment.,The Importance of Livi

2、ng Things in Our Everyday World - Did You Know?,Habitat destruction, and species endangerment and extinction may soon exceed all previous mass extinctions,Wetlands are quickly disappearing due to development and erosion.,Air ions(大气离子) - negatively and positively charged molecules in the air - and w

3、eather have a profound impact on physiological and psychological balance,United States weather is the most active in the world and its getting worse.,Organically grown foods are superior for our health and the health of our planet.,Pesticides increase our taxes, poison or kill animals, have human he

4、alth effects, contaminate water, destroy wilderness, and more.,The amount of non-fuel minerals consumed in 1997 alone in the United States is a staggering 4,195,400,000,000 pounds or about 1.91 billion metric tons.,Ocean and water pollution has hit a critical level, and much of the pollution comes from sources that are not directly put into the water,All of life on Earth orients itself to the Earths magnetic field(磁场), similar to the way in which cells in an organism align(排列) in relation to the central nervous system, and is affected by and effects the magnetic field.,Good Liv