题目内容
In the medium and long term, a world-wide average emission of maximum ____ tons of CO₂ per person per year must be targeted. This amount is nowadays considered to be the maximum allowed quantity for a sustainable living on earth.
查看答案
搜索结果不匹配？点我反馈
更多问题
According to the IPCC, around __________% of flora and fauna species evaluated during climate change studies are at risk of extinction. As a matter of fact, more than a million species could face extinction.
___________ is external conditions or surroundings, especially those in which people, animals, and plants live.
___________ is the study of the relationships between plants, animals, people, and their environment, and the balances between these relationships; it is the study of how organisms interact with their environment, including biological factors or conditions, such as other organisms, as well as nonbiological ones, such as water, air, soil, and solar radiation.
Environmental __________ is one of the main fields of application of analytical methods and it covers from private to public studies, focused to evaluate the effect of human activities and their impact on the quality of air, water, soil or biota.
微信支付 
支付宝支付