conservation 保護，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 滲出滲出物
radiation 輻射ultraviolet(uv) radiation~ radioactive
greenhouse 溫室greenhouse effect/gases
solar 太陽的 (solar energy)^ lunar (lunar calendar)
phenomenon 現象
catastrophe = disaster, cataclysm
deterioration 惡化 (? deteriorate)
extinction 滅絕 (? extinct)
species endangered species
drought 乾旱(^ “找它”)＞＞＞ faminev.s. flooding
recurrent 反覆發生的re + (oc)cur + rentv.s. concurrent
inundate 淹沒^ “淹掉它”
embankment 築堤 (em + bank + ment)
sediment 沉積（物）= deposit
delta 三角洲the pearl river delta
alluvial 沖積的
desertification ? desert(v.s. dessert)
dust-storm 沙塵暴^ thunderstorm, brainstorm
barren 貧瘠的，不育的，無效的
dune sand dunethe game “dune”!
attributable 歸因於be attributable to…
deforestation 濫砍濫伐（森林）de + forest + ation＜＞ afforestation/reforestation
log 原木，日誌伐木v.s. logo
vegetation 植物，植被v.s. vegetable, vegetarian
habitat 棲息地? habit (habit is the second nature.)
ecosystem 生態系統 (eco + system)~ ecology
viability ? viable“vi”: life養育能力one tool for assessing the impact of forestry on the ecosystem is population viability analysis.
demographic 人口統計的demo(people) + graph(write) + ic
interdependence inter + dependence
counterbalance 使平衡，彌補 (=offset)counter(against) + balance
mechanism 機理，機制
precipitation 陡降，降水 (? precipice)＜＞ evaporation
circulation 流通，循環
tide à tidal wave (海嘯)＜＞ ebb＜＜＜ earthquake
typhoon ~ tornado, hurricane
meteorology 氣象(學)
volcano 火山
eruption 噴發 (? erupt)volcanic eruption＞＞＞ lava
granite 花崗岩
imminent = impendingv.s. eminent
celsius 攝氏的37ocv.s. centigrade
fahrenheit 華氏的
latitude 緯度(另) longitude, altitude
tropical ? (the) tropicstropical/torrid zone, temperate zone, frigid zone
glacier 冰川
dump 傾倒，傾銷à anti-dumping
contaminate 弄髒(à contaminant)
recycle 回收再利用
irreversible 不可逆的 (= irrevocable)
reclaim 開墾，改造à reclamation
contentious 有爭議的 (? contend)many environmental issues today are highly contentious.
opt 選擇(+ for)à option
prioritize 優先考慮 (? prior, priority)