Many bitcoins equals a heavy environmental burden.
The digital world is taking more and more space in our lives... and dramatically increasing electrical use. It’s a serious problem given the urgent need fight climate change.
Albert Pego / shutterstock
The country's electricity is now the cleanest it has been in 60 years.
Electric cars are one of the keys to long-term decarbonisation.
Countries have started announcing strategies to cut greenhouse gases over the next 35 years.
Despite the benefits of going renewable, it may be harder to get there than we thought.
Indigo Skies Photography/Flickr
Phasing out fossils fuels would go a long way to stopping dangerous climate change – but it might be harder than we thought.
Melbourne is one of the fastest-growing cities in the developed world, and the other big Australian cities aren’t far behind.
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?
South Africa has made promises to decarbonise but is hugely reliable on coal - so this is difficult.
The process of decarbonisation is a complex one for South Africa, as most its power supply comes from coal.
Numerous milestones have been reached over the past year as the coal is ditched for lower-carbon alternatives.
The Herbert solar plant in the Northern Cape, South Africa. The panels face the sun squarely and constantly.
Solar power is a key piece of South Africa's energy puzzle.
Flights are just one of the ways tourism contributes to climate change.
Contrail image from www.shutterstock.com
Tourism is a significant contributor to climate change. But new research suggests that, if we all pitched in, we could decarbonise this global industry for less than the price of an extra checked bag.
NASA once had 400,000 people working on space exploration. We should battle climate change in the same way.
The G7 leaders are hoping to point the world towards a low-carbon transition.
EPA/Sven Hoppe/AAP Image
G7 leaders have pledged to help end the world's fossil fuel use by the end of the century. It's a laudable aim, but decarbonisation can and should be done by the middle, not the end, of this century.
The G7 leaders at Elnau Castle in Germany.
What to make of the announcement that we'll be off the hydrocarbons in time for the 22nd century? Dream on.