Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
ENVIRONMENT
0
%
0
0
0
Back
Restart
人类的健康问题
HEALTH PROBLEMS FOR HUMANS
Oops!
Okay!
砍伐树木
DEFORESTATION
Oops!
Okay!
困住热气
TRAP HEAT
Oops!
Okay!
污染栖息地
CONTAMINATES/POLLUTE HABITATS
Oops!
Okay!
呼吸问题
RESPIRATORY ISSUES
Oops!
Okay!
保护从有害的紫外线辐射
SHIELDS FROM HARMFUL UV RADIATION
Oops!
Okay!
破坏生态系统
DISRUPTION/DESTRUCTION/DEVASTATION OF ECOSYSTEMS
Oops!
Okay!
极端的气候变化
EXTREME WEATHER EVENTS
Oops!
Okay!
大气层
ATMOSPHERE
Oops!
Okay!
可持续的
SUSTAINABLE
Oops!
Okay!
对野生动物的危险
HAZARD/DAMAGES TO WILDLIFE
Oops!
Okay!
海洋生态系统
AQUATIC ECOSYSTEMS
Oops!
Okay!
耗尽我们的树林覆盖率
DEPLETING OUR FOREST COVER
Oops!
Okay!
气候变化
CLIMATE CHANGE
Oops!
Okay!
心血管疾病
CARDIOVASCULAR DISEASES
Oops!
Okay!
紫外线照射增加
INCREASED UV EXPOSURE
Oops!
Okay!
酸雨
ACID RAIN
Oops!
Okay!
水位上升
RISING SEA LEVELS
Oops!
Okay!
污染
POLLUTION
Oops!
Okay!
臭气层变薄
OZONE LAYER DEPLETION
Oops!
Okay!
威胁无数的物种
THREATENING COUNTLESS SPECIES
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies