我为学院节能减排献计献策

全球气候变暖是目前人类面临的最大环境问题，请你根据以下提示，写一篇英语作文，为"节能减排"献计献策.背景：随着经济的发展，更多的的温室气体被排放，其中大约70%为二氧化碳，这也是全球变暖的主要原因之一、

后果：海平面上升，自然灾害频繁.

措施：

1.多使用清洁能源，少用煤.油.

2.在可能的情况下以车代步.

3......

4......

3.4点自由发挥

要求：主语从句一句，表语从句一句，同位语从句一句，虚拟2句，倒装2句.100～120个词.

health，surroundedby，smog，anythingbut，gases，impurities，absorb，poisonous，tryhard，blackedout

weallknowthatcleanairisimportanttogoodhealth.whereveryougoandwhateveryoudo，youarealwayssurroundedbyaseaofgasesthatwecallair.ifthereareimpuritiesintheair，theymaybeabsorbedbyourbodiesandmakeusill.weneedcleanair，butunfortunately，airpollutionisgloballypresent，especiallyincities.

manylargecitiesareanythingbutpollution-free.ourcitieshavemanyfactories，whichweneedtomakefood，clothingandotherthings.everyyearthesefactoriespourmillionsuponmillionsoftonsofsmogintoair.powerplantsandhousesthatburncoaladdgreatlytoairpollution.besides，therearemorecarsincitiesnow.onceoutonthestreets，theywilltakeinfreshairandreplaceitwithpoisonousgases.

ourcountryistryinghardtopreventandcontrolairpollution.aslongaseverycitizenalsorealizesitsimportanceandmakesjoinefforts，thedaywillcomesoonwhenpeoplewilltakeinonlycleanair.then，thesunlightwillnolongerbeblackenedoutbysmokeandsoot.

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