Farming makes a huge contribution to global greenhouse emissions, mainly through methane from livestock. Billy Hathorn/Wikimedia Commons

Meat the future: new book sets out the effects of the world’s diet

Meat uses a lot of resources - between three and ten times as much as plants for the same amount of protein. The rich world might be slowly losing its taste for meat, but the developing world isn’t.
In most states, the issue of container deposit legislation has festered for decades. Brian Finestone/Shutterstock.com

Spin the bottle: the fraught politics of container deposit schemes

Four decades after South Australia’s container deposit scheme began, New South Wales has finally overcome industry resistance and launched its own. Could the rest of the country now follow suit?
Plastic bottles often end up on the beach where the plastic can remain for decades, harming sea life and the fish we eat. senderweb/Flickr

National container deposit scheme crushed by Australian Senate

For the past 30 years, South Australians have lived in a state with a “container deposit scheme”. This means on small bottles or cans of water, soft drink, juice or alcohol, consumers pay a 10c deposit…
Liquid politics: fights over water will heat up unless its management is democratised. Flickr/Kyle Horner

Challenge 2: Water; a local resource, a global problem

Welcome to the State of the Future series. This series addresses 15 global challenges posed by the Millennium Project, an international non-profit think-tank collecting responses for 40 nodes worldwide…
Manure is a great source of phosphorus, but we’ve largely removed it from agriculture. Flickr/Amy Alana Star

Time for policy action on global phosphorus security

Without phosphorus we cannot produce food. Yet even as pressure mounts on this critical non-renewable resource, there is a startling lack of global governance of its use and supply. If no one takes responsibility…
Your cafe breakfast was brought to you by phosphorus, but we’re running out. caccamo/Flickr

Securing phosphorus: food for thought, and food for the future

Take a moment to think about your next meal. It will contain phosphorus. You contain phosphorus. In fact, you can’t survive without phosphorus: it’s in our DNA and our cell membranes. Nothing can survive…

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