Climate Change
What is the definition of climate change?
由人类活动直接或间接改变全球大气组成所导致的气候改变。
What is acid rain?
PH低于5.6的降水
What is ozone depletion?
地球大气上空臭氧层的臭氧逐年递减的一种现象。
What are greenhouse gases composed of?
主要是二氧化碳和水蒸气。
What's the difference between climate change and global warming?
全球变暖是气候变化的一种表现
What are the effects of acid rain?
污染水质，土壤酸化，腐蚀建筑物
What causes ozone depletion?
Freon
What is the effect of the greenhouse effect? Is it originally harmful to the earth?
给地球保温，升温。
它本身对地球无害
What are the major aspects of climate change? (In English)
Acid Rain, Ozone Depletion, Global Warming
What causes acid rain? (In English)
Fossil Fuels, Exhaust Fumes
Why is ozone important to life on the earth?
What are the possible consequences of ozone depletion?
臭氧可以阻挡对生物有害的紫外线进入大气层，臭氧层破洞可能会导致皮肤癌，白内障等疾病患者的增加，并可能导致一些生物的灭绝。
Why do people say global warming is caused by the greenhouse effect? What is the role of the human in it?
人类活动（化石燃料的燃烧，汽车尾气的排放，砍伐森林）加剧了温室效应，从而导致了全球变暖