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Lead author comments on the IPCC鈥檚 sixth global warming report

01 March 2022

#IWD #BreakTheBias By Professor Bronwyn Hayward MNZM The weight of new evidence in this latest IPCC report is telling us that we are moving more quickly than previously expected, to reach the limits of the climate risk we can adapt to.

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IPCC cities lead author, UC鈥檚 Professor Bronwyn Hayward says we can secure a liveable future, but the time to act is now.

New Zealanders only need to look to the recent repeat flooding in Westport, or Brisbane and wider Queensland this week, where eight lives have been lost and 50,000 homes are currently without power, to understand what 鈥榬eaching the limits of adaptation鈥 really means.

This report indicates that 40 percent of the world, or 3.5 billion people are now 鈥渉ighly vulnerable鈥 to climate change, particularly in cities where cascading and compounding risks such as heat combined with air pollution will impact on all residents but particularly the most vulnerable, including the poor, the elderly, children, disabled, Indigenous communities and ethnic minorities.

But the report also says we听can听secure a liveable future if we act now to both protect people and the planet, and reduce greenhouse gas emissions. The report highlights the importance of bringing national government funding to support equitable local community partnerships and taking collective action.

This isn鈥檛 about building more seawalls or planting large blocks of exotic trees as carbon sinks. Some of this action is inevitable but the evidence suggests this needs to be very carefully managed to avoid new and greater risk and impacts.

Instead, the report also focuses on the value of social infrastructure (income protection, education, health and housing) alongside green ecological investment and engineering to secure a more liveable future, especially in cities, where two-thirds of the world will be living by 2050.

Despite the stark messages, I do find it remarkable that nearly 200 governments have signed off this report, acknowledging that climate impacts are now questions of 鈥渉uman rights鈥, and 鈥渏ustice鈥 and that Indigenous and local knowledge and 鈥渆quitable鈥 partnerships听can help us as we work to find the best ways to solve these problems.听

The report is clear, we have a very short time now to make the major investments and take the action we need to protect our communities. This will be challenging, but the time to act is now.

About: 茄子视频app官网 Ahorangi听Professor Bronwyn Hayward, is a coordinating lead author of the 2022 IPCC report by Working Group II and co-leading the global chapter on Cities and infrastructure. She was recently named the听.


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