This is the best summary I could come up with:

The broken boundaries mean the systems have been driven far from the safe and stable state that existed from the end of the last ice age, 10,000 years ago, to the start of the industrial revolution.

Prof Johan Rockström, the then director of the Stockholm Resilience Centre who led the team that developed the boundaries framework, said: “Science and the world at large are really concerned over all the extreme climate events hitting societies across the planet.

The boundary for biosphere integrity, which includes the healthy functioning of ecosystems, was broken in the late 19th century, the researchers said, as destruction of the natural world decimated wildlife.

These are vital for life but excessive use of fertilisers mean many waters are heavily polluted by these nutrients, which can lead to algal blooms and ocean dead zones.

Prof Simon Lewis, at University College London and not part of the study team, said: “This is a strikingly gloomy update on an already alarming picture.

A separate initiative to define the end of the Holocene and the start of a new age dominated by human activities moved forward in July, when scientists chose a Canadian lake as the site to represent the beginning of the Anthropocene.

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