As water dripped in a remote cave, it left behind evidence of every monsoon season for a millennium. Scientists say it holds a warning for a country about to become the most populous on Earth.
Microalgae are a diverse group of microscopic aquatic organisms.
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Farmers who use little or no fertiliser can use ecological practices to increase their yields.
The Canadian government has proposed a plan to cut emissions from fertilizers by 30 per cent from 2020 levels by 2030.
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Mid-size farms used to be the average farm in Canada, but the increase in both small and large farms has made it difficult to define what the new average farm size is.
A climate-friendly diet is a relatively easy way to reduce your environmental impact.
A recent court case forced the Department of Basic Education to resume the National School Nutrition Programme for nine million learners around the country.
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Removing a pre-existing right like cancelling the school nutrition programme is a retrogressive measure, and should only be done under very specific circumstances.
Wireless sensors and data systems can help farmers use water much more efficiently by monitoring soil conditions.
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The Agricultural Internet of Things is making farming more efficient. An information technology expert describes some of the challenges of working with sensors and antennas underground.
Drought warning near Exeter, Devon, in 1976.
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Managing Director, Triple Helix Consulting; Chief Executive Officer, Australian Centre for International Agricultural Research; Professorial Fellow, ANU Fenner School for the Environment and Society, Australian National University