As environmental destruction continues and the climate change and biodiversity crises accelerate, the concept of tipping points is being widely discussed. A tipping point is where a change in a system has gone so far that the system is destabilised, and positive feedbacks accelerate the decline towards total collapse, so that return to a desirable state becomes impossible in the reasonable future.
Scientists Warning 2025 State of the Climate Report 29 October 2025
The 2025 state of the climate report: a planet on the brink
The Scientists Warning team has published their 2025 State of the Climate report in Bioscience on 29 October 2025. William J. Ripple, Christopher Wolf, Michael E. Mann, Johan Rockström and their co-authors are alarming in their observations and conclusions, of which excerpts follow.
for Climate Change COP30 Aotearoa New Zealand contribution 30 September 2025
At the invitation of the International Environment Forum, a group gathered in Browns Bay, North Shore Auckland, on 21 September, and then further shared with others, to consult on the five questions raise in the COP30 Global Ethical Stocktake. The following is their contribution.
