conservation 保护，保存 (ß conserve)v.s. conversationenvironmentalist = conservationistacid 酸 酸的 (＜＞alkali)acid raincarbon 碳 (C) v.s. charcoal (炭)carbon dioxide, carbon monoxidefume exhaust fumesv.s. smoke, fog, smogpetroleum 石油à petrol (BE) = gasoline/gas (AE)à unleaded petrol/gasozone 臭氧 (o + zone)ozone layerooze 渗出 渗出物radiation 辐射ultraviolet(UV) radiation~ radioactivegreenhouse 温室greenhouse effect/gasessolar 太阳的 (solar energy)^ lunar (lunar calendar)phenomenon 现象catastrophe = disaster, cataclysmdeterioration 恶化 (ß deteriorate)extinction 灭绝 (ß extinct)species endangered speciesdrought 干旱 (^ “找它”)＞＞＞ famine v.s. floodingrecurrent 反复发生的re + (oc)cur + rentv.s. concurrentinundate 淹没 ^ “淹掉它”embankment 筑堤 (em + bank + ment)sediment 沉积（物）= depositdelta 三角洲the Pearl River Deltaalluvial 冲积的desertification ß desert (v.s. dessert)dust-storm 沙尘暴^ thunderstorm, brainstormbarren 贫瘠的，不育的，无效的dune sand dunethe game “DUNE”!attributable 归因于be attributable to…deforestation 滥砍滥伐（森林）de + forest + ation＜＞ afforestation/reforestationlog 原木，日志 伐木v.s. logovegetation 植物，植被v.s. vegetable, vegetarianhabitat 栖息地ß habit (Habit is the second nature.)ecosystem 生态系统 (eco + system)~ ecologyviability ß viable “vi”: life养育能力One tool for assessing the impact of forestry on the ecosystem is population viability analysis.demographic 人口统计的 demo(people) + graph(write) + icinterdependence inter + dependencecounterbalance 使平衡，弥补 (=offset)counter(against) + balancemechanism 机理，机制precipitation 陡降，降水 (ß precipice)＜＞ evaporationcirculation 流通，循环tide à tidal wave (海啸)＜＞ ebb ＜＜＜ earthquaketyphoon ~ tornado, hurricanemeteorology 气象(学)volcano 火山eruption 喷发 (ß erupt)volcanic eruption ＞＞＞ lavagranite 花岗岩imminent = impending v.s. eminentCelsius 摄氏的 37OCv.s. centigradeFahrenheit 华氏的latitude 纬度(另) longitude, altitudetropical ß (the) tropicstropical/torrid zone, temperate zone, frigid zoneglacier 冰川dump 倾倒，倾销à anti-dumpingcontaminate 弄脏 (à contaminant)recycle 回收再利用irreversible 不可逆的 (= irrevocable)reclaim 开垦，改造 à reclamationcontentious 有争议的 (ß contend)Many environmental issues today are highly contentious.opt 选择(+ for) à optionprioritize 优先考虑 (ß prior, priority)