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“The biggest challenge to limiting climate change to 2°C, the upper target of the 2015 Paris agreement, is this: methane emissions are rising very fast,” says Euan Nisbet, a professor of earth sciences at Royal Holloway University.

The biggest challenge to limiting climate change to 2°C, the upper target of the 2015 Paris agreement, is this: methane emissions are rising very fast.

Uncommon Courses is an occasional series from The Conversation U.S. highlighting unconventional approaches to teaching.

The Internal Revenue Service hasn’t issued comprehensive guidance on how the estimated 27 million Americans earning income as influencers should report their income and expenses on their tax returns. That’s leaving people who either make a living or supplement their income by endorsing products and services on social media platforms…

Sand underpins everything from skyscrapers to smartphones. Sharp sand (as opposed to rounded desert sand) is the key ingredient in concrete, while high-purity silica sand is essential for making the silicon chips that power our digital devices.

Congratulations to Brian Thornton from Winchester University who is the 2025 winner of The Conversation Prize for writers, for his story Convicting the Innocent, a look at the systemic barriers facing people wrongly convicted of a crime.

Tropical Cyclone Alfred is forecast to strike densely populated areas of southeast Queensland and northeast New South Wales. Brisbane, home to more than 2.5 million people, is among the places in the storm’s path.

There is an enduring myth that many technological innovations have come out of garages, bedrooms and basements.

In 218 BC, the Carthaginian general Hannibal crossed the Alps against the advice of his men, who claimed it was impossible. “Aut inveniam viam, aut faciam,” Hannibal is said to have replied: “I shall either find a way, or make one.”

The UK’s installed capacity of solar power expanded rapidly over the past decade to reach 17.2 gigawatts (GW) in 2024 – enough electricity to power roughly 4 million homes. The government aims to raise solar generation capacity to 70 GW by 2035. And by 2050, the government’s advisers estimate that…

Gas and electricity bills will rise again for millions of UK households on April 1, when the latest energy price cap takes effect. A typical household will pay £111 more per year.