自然与生物多样性
本年度可再生资源已经耗尽，地球已经超载
7月29日，星期一，2019年的第209天。在这一天人类已耗尽地球在365天内能够再生的所有资源。
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自然与生物多样性
The Earth has already used up its resources for the year
On Monday, July 29, we will be 209 days into the calendar year. And we will have used up all the resources the Earth could regenerate in 365 days.
风险及韧性
China has stopped taking the world's plastic waste. Now many countries have a big problem
Since the 1950s, when the world was first introduced to the flexible, durable wonder of plastic, 8.3 billion metric tons of it has been produced. Plastic doesn’t biodegrade, so technicall...
贸易与投资
If shipping were a country, it would be the world’s sixth-biggest greenhouse gas emitter
The vast majority—roughly 90%—of all internationally traded goods get to where they’re going by sea. The ships that transport these goods are a massive source of greenhouse gases, in part...
可持续发展
The Arctic may have ice-free summers if Paris climate goals are exceeded by just half a degree
The central goal of the Paris climate agreement is straightforward enough to quote it in whole:
自然与生物多样性
Miami, New York City, and San Francisco could flood every day by 2100
Flooding from ever-higher high tides may become a weekly reality for parts of the coastal US by the middle of this century, and a daily occurrence for major coastline cities by 2100, acco...
气候行动
Swiss residents are wrapping glaciers in blankets to keep them from melting
Every summer for the last eight years, people who live in the Swiss Alps have been wrapping a beloved glacier in blankets.
自然与生物多样性
This major city could be the first to run out of water
It’s the height of summer in Cape Town, and the southwesternmost region of South Africa is gripped by a catastrophic water shortage. Unless the city adopts widespread rationing, the gover...
深度地理
Breathing New Delhi’s air right now is the equivalent of smoking 45 cigarettes a day
In what has become a chronic condition for the city of 22 million, New Delhi is once again choking on extremely high levels of air pollution. In parts of the city, air quality index (AQI)...
自然与生物多样性
Carbon dioxide in the atmosphere just set a new, 800,000-year record
Carbon dioxide in the atmosphere increased a record amount from 2015 to 2016, leaving the air laden with a concentration of the potent greenhouse gas not seen for at least the last 800,00...
自然与生物多样性
Tropical forests used to absorb carbon. Not any more
Since humans began to worry about having put too much carbon in the atmosphere, we’ve considered tropical forests an important “carbon sink.” Their fast growth rate, dense vegetation, and...