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dy a longterm savings would be difficult to remove, damage to the nervous system, bloodgong Energy, kidney and bone, and some can also cause , the Antarctic ozone thinning over the speed of loss of 1% per day, empty like the European range of the same to the in the study, levels of ozone in the atmosphere is reduced by 1%, skin cancer Patients with an increase of 10 million people who suffer from cataracts and respiratory diseases will also ,1 trees 50 years of tree growth, through photosynthesis, produces a value of thousand per year in 2600 worth of oxygen and protein, while preventing air pollution( thousand ), Conserving water, promoting water recycling( thousand ), to prevent soil erosion, increase soil fertility( thousand ), can also provide habitat for birds and other animals, environment(32150 ), an integrated value of these together, the value of each tree should be 20 , in the dinosaur era, an average of every 1,000 years before the extinction of an animal。目前,全球荒漠化的面積已經(jīng)達(dá)3600萬(wàn)平方公里,占整個(gè)地球陸地面積的1/4,約9億人受到荒漠化的摧殘影響和威脅?,F(xiàn)在每年約有4萬(wàn)種生物絕跡。據(jù)美國(guó)環(huán)保署的有關(guān)研究,大氣圈中臭氧含量每減少1%,皮膚癌 患者增加10萬(wàn)人,患白內(nèi)障和呼吸道疾病的人也將增多。日常使用的電池有大量的重金屬污染物——鎘、汞、錳等。我看著這些東西,難過(guò)地說(shuō):“我還以為是什么玩具呢,原來(lái)是這些東西??!”老媽說(shuō):“拿到什么獎(jiǎng)品都不重要,重要的是志在參與?!蔽尹c(diǎn)了點(diǎn)頭。書(shū)寫(xiě)自然吧,這將是你最美好的選擇。從古到今多少人為之謳歌,他們沉醉在其中而流連忘返,用他們靈性的筆,書(shū)寫(xiě)了經(jīng)世的佳作詩(shī)篇。做飯的氣……無(wú)一不是直接或間接來(lái)源于自然源。人的生存就依賴(lài)于自然資源。第三篇:四年級(jí)優(yōu)秀環(huán)保手抄報(bào)環(huán)保其實(shí)就是一件簡(jiǎn)單的事,只要肯做就能節(jié)省,從我們身邊做起吧!本文為四年級(jí)優(yōu)秀環(huán)保手抄報(bào),希望對(duì)大家有幫助!四年級(jí)優(yōu)秀環(huán)保手抄報(bào)1四年級(jí)優(yōu)秀環(huán)保手抄報(bào)2四年級(jí)優(yōu)秀環(huán)保手抄報(bào)3篇一:四年級(jí)優(yōu)秀環(huán)保作文人是自然的產(chǎn)物,人依賴(lài)自然而生存,這是眾人皆知的道理。它失去了保護(hù),我們就失去了健康。2編織愛(ài)心,保護(hù)環(huán)境。1多一聲謝謝,多一個(gè)朋友,多一聲抱歉,多一份寬容。1一花一草皆生命,一枝一葉總關(guān)情。1請(qǐng)您愛(ài)護(hù)綠色,綠是生命之源。踏破青氈可惜,多行數(shù)步無(wú)妨?;居星閳?bào)春暉,同學(xué)愛(ài)護(hù)喜心扉。,千萬(wàn)不要往樓下扔垃圾。,廢物利用,如:喝過(guò)水的瓶子可以經(jīng)過(guò)自己的手做成漂亮的筆筒。補(bǔ)充一個(gè)事例說(shuō)明要