1.5 or bust: climate change

https://espresso.economist.com/3f85a33edd5813b5f91631e5d1ff9099 -- Dec 21st 2018

1.5 or bust: climate change

Three years ago in Paris the world agreed to keep global warming below 2°C relative to pre-industrial levels, and preferably no higher than 1.5°C.

• no higher than 不超过

Scientists were pleasantly surprised by the inclusion of the lower target, inserted at the insistence of island nations that could drown in rising seas.

• inclusion n. 包含；被包括的人（或事物）
• insistence 坚持；坚决要求；固执

Since then researchers have explored the difference between the two scenarios in other areas, from biodiversity to natural disasters.

• biodiversity 生物多样性（大量各种生物的共存以维持生态环境平衡）
• scenario 方案；(可能发生的)情况；前景；【戏,影视】脚本

In October the UN-backed Intergovernmental Panel on Climate Change published a research survey concluding that letting Earth warm beyond 1.5°C presents a serious danger to humans and other species.

• Intergovernmental 跨政府；政府与政府间的；政府之间
• species 物种；种类

It describes four different possible routes to stopping that, three of which require removing considerable amounts of carbon from the atmosphere using technology like Bioenergy with Carbon Capture and Storage—burning crops and storing the resulting emissions deep underground.

• route 路线；途径；路途；渠道

Governments, whose present Paris pledges put the planet on course for 3°C of warming, had better read it carefully.

• pledge 保证；抵押

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不知道人类还能在地球上存在多久。