Bitcoin’s energy consumption ‘equals that of Switzerland’
Bitcoin uses as much energy as the whole of Switzerland, a new online tool from the University of Cambridge shows.
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Can climate change be made simple enough to solve?
I've been fascinated and more than a little perplexed by a statistic from Suzanne Shelton, whose well-regarded marketing firm has helped shape the agenda for companies speaking up on sustainability issues.
Cities organize in the face of scooter data controversy
It seems fitting that e-scooters — which have generated both hatred and adoration since the moment they appeared in cities such as Santa Monica, California — have become the battleground for a debate over how data is collected and used by cities and private mobility companies.
5 things you should know about the impact of burning trash
Burning trash has a long history in the United States, and municipal solid waste incinerators have sparked resistance in many places.
When climate strikers hit home
My 11- and 14-year-olds recently joined the global Climate Strike movement via a local chapter of the organization Earth Guardians.
How artificial intelligence helps recycling become more circular
Smart robots, sensors and vision systems fortified with machine learning software are creeping into production at recycling facilities in Colorado, Japan and Europe.
Ocean health is good business: An urgent call to ocean action
There are few domains where the risks of failure and rewards of success are more pronounced than the ocean.
Floating cities: the future or a washed-up idea?
Humans have a long history of living on water. Our water homes span the fishing villages in Southeast Asia, Peru and Bolivia to modern floating homes in Vancouver and Amsterdam
5 things we learned about urban transformation
Positive change happens in cities, but it’s often lost in a sea of bad news about air pollution, rising costs of living, traffic jams and inequality.
Why the US-China trade war is leaving firms vulnerable to soy risk
Consumers are increasingly aware of the planetary implications of their diets, and only those living under a rock will have failed to notice the market shifting accordingly:
