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This aerial view shows the catchment of the Makaroro river, in the Ruahine Forest Park. The river was to be dammed for the Ruataniwha irrigation scheme. Peter Scott

Supreme Court ruling on NZ’s largest irrigation dam proposal respects conservation law and protected land

New Zealand's Supreme Court rejected a proposed land swap that would have seen conservation land used for an irrigation dam, but the government is now considering a retrospective law change.

How many people can Australia feed?

Australia feeds tens of millions, at home and abroad. But if our population doubles by 2061, as some projections suggest, we'll need some smart strategies to keep those people fed.

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China’s concerns about air pollution from burning coal is one reason behind the emissions slowdown. China coal image from www.shutterstock.com

Fossil fuel emissions have stalled: Global Carbon Budget 2016

For three years, carbon emissions from fossil fuels have grown little or not at all, opening a window of opportunity to halt climate change.

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