The year is 2067. The world has gone vegan and 'meat' is only a horrific memory.
Even supposedly "green" technologies such as renewable energy require materials, land and solar exposure and cannot grow indefinitely on this planet.
Information is assumed to be key to changing people's attitudes and behaviour. Sadly this isn't the case.
South Africa's mining industry is on an unsustainable trajectory and needs to undergo fundamental transformation that emphasises transparency, equity, and community participation.
The trend of mixing social and commercial goals has been a long time coming.
A five-year project announced today will implement an innovative water-sensitive approach tailored to informal settlements. The goal is to revitalise 24 communities in Fiji and Indonesia.
We need Mars-level thinking to solve our energy and climate problems here on Earth.
The Millennium Development Goals failed in aspects like poverty. Lessons must be learnt to ensure that these mistakes will not be repeated by the Sustainable Development Goals.
Before you spend up on heating and cooling, here are a few simple retrofits to try first.
With little hope of finding alternatives to jet fuel, we need to seriously consider a world without flying.
Social media is a great way to to share tips, knowledge and expertise - including about how to reduce the environmental footprint of your home.
After Christmas, and the Boxing Day sales, it seems like a good time to ask: what is the purpose of all this consumption?
Power-hungry houses that rely on air conditioning to make up for their bad design mean that the electricity grid has to cope with summer demand peaks – and everybody pays.
Adaptive reuse and recycling of heritage architecture may be all the rage, but are not new. Making new buildings from old has a long history in the ancient world.
The 1992 and 1993 cabinet papers confirm that Australia was a reluctant player in international discussions about climate change and environmental issues under Prime Minister Paul Keating.
The crops of the future must become much better at dealing with dehydration.
In light of climate change and a growing population, water authorities around the world are looking to recycled water.
Urban greening programs need to consider the harmful impacts of artificial lighting on ecosystems. Fortunately, we can do a lot to create more biosensitive lighting.
Bigger houses take more energy to build them, and use more energy.
With a Trump administration hostile to action on climate change, businesses need to go beyond just complying with environmental regulations and take on the whole system.