广全中学：王艳玉广全中学：王艳玉The benefits of trees Can you give some examples?Trees supply material for houses,furniture,paper products,etc.Some trees even provide important ingredients for medicines that cure illness.Trees can help increase the value of property.Trees remove dust and change carbon dioxide into the oxygen we breathe.Trees provide shelter,food and things for bothhumans and animals.Beep!Too noisy!Trees reduce sound pollution for large urbanareas and add beauty to cities.Trees cool our cities and clean the air.Which kinds of pollution do trees help fight?Trees can stopTrees can stopair pollution noise pollutionwaterpollutionDiscussionTrees are in great danger.Some people are destroying trees.List some bad behaviors that people do to trees.The benefits of treesDiscussionWhat can we do for trees?For every tree being planted today,30 trees are being cut down.The benefits of treesWhat is the job of Trees for Life?Homework1.In groups,design a poster about trees 2.How to protect trees?Write them down.。
