Farmers were supposed to bet big on energy crops like short-rotation willow to help fuel the UK's biomass fleet. It hasn't worked out like that.
To meet global climate change targets, agriculture needs an array of innovations and money to get farmers around the world to adopt new practices.
Eating cows and sheep is unsustainable. Here are some better alternatives.
A metal found in industrial wastes could help store solar and wind energy until it's needed.
Escalating clashes between herders and farmers in Nigeria threaten the country's national and food security. A response based on innovation, sustainability and political will is urgently needed.
There are gains to be made from going green.
The global economy is already unsustainable – let alone if it gets bigger.
With the failures of past planning now apparent, the unruly threat of a damaged and depleting planet is ushering us toward a fourth era of urban restructuring. What might City v4.0 look like?
Over the past few years many companies have committed to sustainable palm oil. But that is threatened by a growing alliance between industry and government.
Our feelings of self-worth and contentment are no longer the preserve of writers and artists. Science has made measurement of our well-being a viable alternative to the banalities of economic output.
Extracting energy from warm waste water is an easy way to live more sustainably.
The challenges we face demand profound changes in our thinking and priorities. Replacing the Productivity Commission with a National Sustainability Commission would help us make this paradigm shift.
Australia still rests too heavily on its luck, and not enough on its brains.
Eating meat means greenhouse emissions. But the emissions from growing crops may have been underestimated, meaning that a climate-friendly diet isn't as straightforward as simply going vegetarian.
Because chocolate gifts need their glasnost too.
Farms on Sydney's fringes supply 20% of the city's food. That could drop by more than half if urban sprawl isn't kept in check.
A study has revealed shoppers' harsh attitudes to those who prefer to buy ethical fashion. But the headlines will only entrench the divide.
Homebuyers want energy-efficient homes. The challenge is to present the relevant information in a way that taps into the typical house-hunter's mindset.
You know that greenhouse gases are changing the climate. But when did you last worry about phosphorus?
Even leaving glass bottles out for collection carries a social stigma.