conservation 保护，保存 (? conserve)v.s. conversation
environmentalist = conservationist
acid 酸  酸的 (＜＞alkali)acid rain
carbon 碳 (C)  v.s. charcoal (炭)carbon dioxide, carbon monoxide
fume exhaust fumesv.s. smoke, fog, smog
petroleum 石油à petrol (BE) = gasoline/gas (AE)à unleaded petrol/gas
ozone 臭氧 (o + zone)ozone layer
ooze 渗出  渗出物
radiation 辐射ultraviolet(UV) radiation~ radioactive
greenhouse 温室greenhouse effect/gases
solar 太阳的 (solar energy)^ lunar (lunar calendar)
phenomenon 现象
catastrophe = disaster, cataclysm
deterioration 恶化 (? deteriorate)
extinction 灭绝 (? extinct)
species endangered species
drought 干旱  (^ “找它”)＞＞＞ famine    v.s. flooding
recurrent 反复发生的re + (oc)cur + rentv.s. concurrent
inundate 淹没    ^ “淹掉它”
embankment 筑堤 (em + bank + ment)
sediment 沉积（物）= deposit
delta 三角洲the Pearl River Delta
alluvial 冲积的
desertification ? desert  (v.s. dessert)
dust-storm 沙尘暴^ thunderstorm, brainstorm
barren 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/reforestation
log 原木，日志  伐木v.s. logo
vegetation 植物，植被v.s. vegetable, vegetarian
habitat 栖息地? habit (Habit is the second nature.)
ecosystem 生态系统 (eco + system)~ ecology
viability ? 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) + ic
interdependence inter + dependence
counterbalance 使平衡，弥补 (=offset)counter(against) + balance
mechanism 机理，机制
precipitation 陡降，降水 (? precipice)＜＞ evaporation
circulation 流通，循环
tide à tidal wave (海啸)＜＞ ebb    ＜＜＜ earthquake
typhoon ~ tornado, hurricane
meteorology 气象(学)
volcano 火山
eruption 喷发 (? erupt)volcanic eruption    ＞＞＞ lava
granite 花岗岩
imminent = impending    v.s. eminent
Celsius 摄氏的  37OCv.s. centigrade
Fahrenheit 华氏的
latitude 纬度(另) longitude, altitude
tropical ? (the) tropicstropical/torrid zone, temperate zone, frigid zone
glacier 冰川
dump 倾倒，倾销à anti-dumping
contaminate 弄脏  (à contaminant)
recycle 回收再利用
irreversible 不可逆的 (= irrevocable)
reclaim 开垦，改造  à reclamation
contentious 有争议的 (? contend)Many environmental issues today are highly contentious.
opt 选择(+ for)    à option
prioritize 优先考虑 (? prior, priority)