The Earth should be safe (and habitable) for a few billions of years, but we still need to worry about the impact now of just a few degrees of global warming.
Renewable energy sources won't make a decisive impact to alleviate South Africa's power shortage for at least five years.
A transcript of episode 7 of The Conversation Weekly pocast, including an extra from Don't Call Me Resilient on the treatment of migrant workers in Canada.
Plus we hear about the hardships faced by migrant workers in Canada. Listen to episode 7 of The Conversation Weekly podcast.
The digital tokens are a way to create scarcity and an aura of authenticity in an online world of infinite copying, pasting and remixing.
Tesla spending billions on Bitcoin is bad news for the company's shareholders and for Elon Musk's admirers - not to mention the planet.
A new report pushes for a modern tourism model, including the introduction of airport departure taxes, to enhance New Zealand's competitive advantage in a climate-conscious world.
Billionaires have carbon footprints hundreds of times higher than the average American. Two scholars tried to put a number on it.
Researchers are developing ways to lock captured CO2 into cement. It could help rebuild America’s crumbling infrastructure and deal with climate change at the same time.
Canada and Norway face epic challenges in weaning themselves from petroleum dependence.
No-one says reducing emissions from the agriculture sector will be easy. But it must be done, or farmers will suffer the most.
Australia has a lot of work to do to overcome the challenges facing electric vehicles users, starting with the lack of a comprehensive national charging network.
Can we work together to answer global challenges, or will national agendas get in the way?
You might be surprised to find yourself in the company of Elon Musk and Jeff Bezos in the world's richest 1%. This has big implications for planetary survival.
Training neural networks burns through a lot of energy. As the AI field grows, it's working to keep its carbon foot print from growing with it.
If a major new study is right, then even our most cautious climate projections have likely been optimistic.
Our new study shows that cutting emissions now will bring benefits sooner than expected.
Bold visions for slowing global warming have emerged from all over the world. What's not clear is how countries will meet them.
Canada is already behind on tackling climate change and catching up will be expensive, but relying on carbon capture technologies is risky and expensive.
Changes to the way houses and other buildings are constructed could lower energy use and greenhouse gas emissions.