環(huán)保手抄報(bào)資料-文庫(kù)吧
2025-09-28 04:56 本頁(yè)面
【正文】 crease 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。20 centuries ago, the planet about every four years an animal species。now about 4 million known species per year bee past 150 years, Extinction of 80 species。the past 50 years, nearly 40 species of extinct past 100 years, species extinction faster than its natural extinction rate of 1,000 times, and this rate continues , at present, the global area of desertification has already reached 36 million square kilometers, accounting for the entire planet39。s land area 1 / 4, about 900 million people affected by the ravages of desertification, and , “The People39。s Republic of China Wild Animal Protection Law” provides that: prohibit the sale, acquisition of national key protected wild animals or of Commerce prohibits any form of acquisition and the sale of state Focus on protection of animals and their products(including the dead body, fur, feathers, offal, blood, bone, meat, horn, eggs, semen, embryos, specimens, medical parts, etc.).We are also “endangered species of wild animals and plants Convention on International Trade Species, ”and ：,請(qǐng)大家保護(hù)環(huán)境,善待家園,只有這樣才能使我們的家園變得更加美好!曬課網(wǎng)，伴您一生的課堂!更多精彩期待您的瀏覽!第二篇：環(huán)保手抄報(bào)資料環(huán)保在心中全球10大環(huán)境問(wèn)題
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