Nguồn tham khảo về “environment pollutions”
Air Pollution 
Air Pollution - MSN Encarta Read the encyclopedic reference about the lung menace and its possible causes and effects.  
Air Pollution - Use in Schools Project Students can learn about various kinds of air pollution, such as acid rain, smog, the greenhouse effect, particulates, and ozone depletion.    
Atmosphere and Climate Earth can support life because of its fragile but protective atmosphere. But human activities have the potential to affect our atmosphere making it less able to protect us. The atmosphere protects the Earth. We must protect the atmosphere.  
Clean Air - Environment Canada: The Green Lane Site offers information on air pollution, what it is and why we should be concerned.
Environmental Quiz Take this quiz to see how knowledgeable you are about air pollution.  
Pollution Solutions In this lesson, students perform research to identify air pollutants and the problems these pollutants cause for people and the environment. They learn about possible solutions to air pollution and develop a community "Pollution Solutions" pamphlet of guidelines to be distributed to families and the community.
Land Pollution
Keep America Beautiful (KAB) The focus is solid waste, litter prevention, beautification, source reduction, recycling, composting, waste-to-energy, and sanitary landfill.  
LAND POLLUTION Through these lessons students will become more environmentally aware of land pollution.  Students will demonstrate the causes of and solutions to land pollution.  
Land Pollution A look at pesticides, composting and oil tank storage and land pollution.    
Waste Canadians produce more garbage per person than just about any other country in the world. The average person in Ontario generates a whole tonne of trash a year! When that much garbage is generated, it creates problems. It’s time to do our part and make a difference!  
Water Pollution Begins on the Land Our activities on the land can affect water quality in our streams, rivers and coastal waterways.  On the farm, eroded soil, fertilizers, and animal wastes washing off the land can have a profound effect on water quality downstream.   Here are some of the conservation measures that Maryland farmers use to protect our streams and rivers from sediment and nutrient pollution.  
Noise Pollution 
Noise Harms Sea Mammals An article from ABC about how underwater noise pollution may alter the ocean habitat,  and regulations may be needed to protect marine dwellers.    
Noise Pollution A look at noise pollution in relation to hearing loss.  
Noise Pollution Explains what noise pollution is, what types of things cause it, as well as good uses of noise.  
Water Pollution   
Clean Water - Environment Canada: The Green Lane Site offers information on water pollution, what it is, its causes and why we should be concerned.    
Finite Oceans Finite Oceans examines how humans continue to contaminate the seas with industrial pollutants and explores alternatives to our current methods of waste disposal.    
Groundwater Gross-Out In this activity, students model the spread of toxic waste into the groundwater system.       
Water for Life: Keep the Wild Alive This guide brings together a set of lessons centered around watersheds, streams, lakes, wetlands, and oceans and some of the endangered species that inhabit them.  Through these lessons students will learn how animals and plants living in and near water-based environments depend on each other and what people can do to protect and preserve these wild places.  
Water Pollution There are a wide variety of pollutants that can affect water and the plants and animals that live in the water. This pollution can be divided into three groups: chemical pollution, thermal pollution, and ecological pollution. Since not all pollution is human produced, students need to understand that there are sometimes natural reasons for some pollution. These activities will help students` understanding of water pollution and its potential effects on human and wildlife habitats.