Green steel

Steel is one of those materials that we cannot imagine a future without. Although there are some applications where wood based materials can replace it, its just such a useful material and it can be fully recycled, so surely there’s a way of producing it which doesn’t cost us the earth.

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EV Batteries – Where Did They Come From and Where Are They Going?

Several years ago, Li-ion batteries, as used in mobile phones, computers, portable tools and a myriad of other devices were considered a fairly benign object, except for the possibility that they may rarely, spontaneously burst into flames. There was little conversation about how they were made and what you might do with the old, worn out ones. All that changed when Nissan and Tesla brought out electric vehicles that were capable of replacing fossil fuelled vehicles and governments started to adopt strategies to encourage EV uptake in our private transport fleets.

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Opportunities for Real Transition Leadership

Grant provides a perspective on the challenges facing engineering as it engages in the broader transition and climate adaptation process. He has identified a number of issues and gaps that engineers need to address. The Real Transition Leaders programme and community seeks to close these gaps, and Grant offers an overview of the programme.

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Earth Building Developments in New Zealand

About 1/3 of the world’s population live in highly sustainable forms of earth construction but it needs to be more earthquake resistant and more widely adopted in the developed world along with other low energy, low carbon natural construction such as straw bale.

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Good Intentions? Reviewing the Government’s New Emissions Reduction Plan

New Zealand’s first emissions reduction plan was released by the Ministry for the Environment on 16 May 2022. An expert panel offered its reaction and comments on the government’s emission reduction targets and on the policies and strategies to reduce emissions for sectors such as transport, energy, waste, building construction and agriculture. Challenges lie ahead if we are to make an appropriate contribution to global efforts to limit temperature rise to 1.5°C.

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