Wealthy nations are carving up space and its riches – and leaving other countries behind
Current trends suggest that powerful nations are defining the rules of resource use in space and satellite access in ways that will make it hard for developing nations to ever catch up.
May 11, 2022 • ~9 min
A new coal mine in Cumbria makes no sense for the climate – or Britain's energy security
After years of complex legal processes and misinformation, the mine’s fate hangs in the balance.
April 26, 2022 • ~6 min
Bitcoin: Greenpeace says a code change could slash cryptocurrency energy use – here’s why it’s not so simple
Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.
March 31, 2022 • ~8 min
Bitcoin: could a simple code change really cut cryptocurrency's energy use by 99.9%?
Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.
March 31, 2022 • ~8 min
Asteroid sharing Earth’s orbit discovered – could it help future space missions?
There may be many more asteroids in the same orbit as Earth, some of which we might be able to mine.
Feb. 3, 2022 • ~7 min
Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams
Rivers are among among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
Sept. 17, 2021 • ~9 min
Five things we learned about the state of the planet at the world's biggest meeting of biodiversity experts
Which species are becoming endangered and which are recovering, according to the IUCN World Conservation Congress?
Sept. 16, 2021 • ~7 min
Bitcoin alternatives could provide a green solution to energy-guzzling cryptocurrencies
Some alternative cryptocurrencies, called 'altcoins', demand far less electrical power than bitcoin.
July 12, 2021 • ~7 min
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