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    By ELIOT WHITTINGTON.- The world is changing. The weather is becoming more volatile, with the number of extreme weather events on the rise. Climate change represents the new normal: the Earth is already showing the impacts of our actions, which will...

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    Australian technology that harvests blast furnace waste and converts it into a new product to make cement is being trialled for commercialisation in China where 60 per cent of the world's iron waste is produced.

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    A new company is helping others to green their supply chains.

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    By SUSAN SELKE and RAFAEL AURUS.-One of the common concerns about plastic packaging is that it is generally non-biodegradable and will persist in the environment for extremely long periods of time once thrown away.

    Even a microbe won't eat plastic.

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    The Government will stump up a third of the cost of a new commercial and industrial waste processing plant for Marlborough.

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    By KAREN MANLEY.- The building sector globally currently consumes more energy (34%) than the transport sector (27%) or the industry sector (28%). It is also the biggest polluter, with the biggest potential for significant cuts to greenhouse gas...

    Prefab building ... green and cost-effective.

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    A  United States company with operations in New Zealand has been granted a second patent on break-through hydrogen technology.

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    New Zealand's capacity to recycle construction, industrial and demolition material has been boosted.

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    A new drying plant at Fonterra's Pahiatua milk-powder plant will cut water consumption per litre of milk by reusing its own condensate, the dairy co-operative says.

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    New Zealand's ecolabelling is officially up to global standards.

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    Tiwai Point aluminium smelter owner New Zealand Aluminium Smelters last year received just half the number of free carbon credits it got the previous year.

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    Brands that are effectively telling their sustainability story are becoming more powerful. FIONA STEPHENSON examines the top 10 lessons for business that came out of an Auckland conference last week.

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    Discovering exactly what is wasted in one day at one of its sites was an eye-opener for Aotearoa Fisheries.

    Allyn Glaysher helps with the Wellington waste audit.

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    More than a billion tonnes of potentially toxic, bleach-like waste is produced and piled in landfills every year, with often devastating effects. And yet most people haven't even heard of these 'alkaline wastes'.

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    Many of the world's biggest travel and tourism companies have improved their carbon efficiency by 20 per cent in the past decade and are on course to halve carbon dioxide emissions by 2035, according to a new report.

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    Looking around the OceaNZ Blue paua farm at Bream Bay, one thing Lynette Suvalko saw was lots of gumboots.

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    By DAVID LEVY.- In the run-up to the COP21 international climate summit in Paris, business leaders worldwide have shown substantial support for action on greenhouse gases.

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    By MINNA HALME.- Most Europeans take pride in recycling. A good citizen separates glass from plastics, biowaste from metal cans and brags about it to their friends. Recycling helps to soothe some of the anxiety driven by endless consumption.

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    By IAN WILLIAMS.- Technological improvements mean that the phones, tablets, computers and other electric devices we find so essential are cheaper and more powerful than ever.

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    If we want more people to shop ethically, it's not very helpful to cast judgement on the "ordinary" shopping public whom ethical campaigners are trying to reach.

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