Sustainable Business
Tesla’s Bitcoin about-face is a warning for cryptocurrencies that ignore climate change
Bitcoin uses more electricity each year than the entire economies of Argentina or Sweden.
Water companies are major sources of microplastics in the UK’s rivers
Water companies must stop releasing untreated sewage and wastewater into rivers during periods of dry weather, an expert says.
Long March rocket’s long fall makes case for space solutions
Space has a debris problem. Would an "orbital use fee" similar to a carbon tax curb the collisions while protecting the industry?
A silver lining to the pandemic: a notorious Thai tiger zoo closes for good
"This is animal cruelty at its worst," one tourist from London, England, wrote after a visit to the establishment in 2019.
Chronoculture promises ‘smart’ farming, reduced waste
A plant flourishes when its circadian rhythm is in sync with its environment, reducing the cost and impact of inputs while boosting yields.
There’s a safer, cleaner way to recover rare-earth metals from old phones and laptops
Rare-earth metals are critical to the high-tech society we live in as an essential component of mobile phones, computers and many other everyday devices. But increasing demand and limited global supply means we must urgently find a way to recover