| 標(biāo)題：2007年國際生物多樣性日主題：生物多樣性與氣候變化 |
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國際生物多樣性日 生物多樣性公約秘書處非常高興地宣布：2007年5月22日，即國際生物多樣性日關(guān)注的焦點(diǎn)將是“生物多樣性與氣候變化”。 the secretariat of the convention on biological diversity is pleased to announce the focus of the 2007 international day for biological diversity (ibd), 22 may, will be on ……（快文網(wǎng)http://hoachina.com省略418字，正式會(huì)員可完整閱讀）…… facing climate change since the mid-1800s global temperatures have increased by about 0.6°c , impacting the entire world, from low-lying islands in the tropics to the vast polar regions. during the last century: 1. the largest glacier on mount kenya has lost 92% of its mass, 2. sea levels have risen by 10 - 25 cm, and 3. the thickness of sea ice in the arctic has decreased by 40%. current climate change predictions are not encouraging; they estimate further increases in temperatures of 1.4°c to 5.8°c by 2100. predicted impacts from a temperature increase of only 2.5°c include: 1. 210 million more people at risk from malaria, 2. up to 3.1 billion more people suffering from water scarcity, and 3. 50 million more people facing hunger. even if all human sources of greenhouse gas emissions ……（未完，全文共4519字，當(dāng)前只顯示1088字，請(qǐng)閱讀下面提示信息。收藏2007年國際生物多樣性日主題：生物多樣性與氣候變化） 上一篇：第次全國助殘日活動(dòng)方案 下一篇：開展“國際牛奶日”宣傳活動(dòng)邀請(qǐng)函 |