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Environment

Zero-carbon shipping fuel could be a new source of pollution

The shipping industry is planning to swap some fossil fuels for green ammonia – but that could create a major new source of nitrogen pollution

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Technology

Crystal-based cooling could make fridges more sustainable

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An artistic celebration of the Dark Energy Spectroscopic Instrument (DESI) year-one data, showing a slice of the larger 3D map that DESI is constructing during its five-year survey. By mapping objects across multiple periods of cosmic history with extremely high precision, DESI is allowing astronomers to make unprecedented measurements of dark energy and its effect on the accelerating expansion of the Universe. DESI???s map reveals the large-scale structure of the Universe, showing clumps of galaxies separated by voids where there are fewer objects. This pattern is a result of large pressure waves that permeated the early Universe and is reflected in the cosmic microwave background ??? a 2D snapshot of the radiation that filled the Universe shortly after the Big Bang, which bears the imprint of the 3D galaxy distribution. DESI is mounted on the U.S. National Science Foundation Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory, a Program of NSF NOIRLab. This version of the DESI map includes 600,000 galaxies ??? less than 0.1% of the survey's full volume. The locations of objects in the data slice do not correlate with their locations on-sky shown in this image.

Space

Could 2025 be the year we finally start to understand dark energy?

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Environment

Are vast amounts of hydrogen fuel hidden below Earth's surface?

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Environment

Salt batteries are finally shaping up – that's good for the planet

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Sunset / sunrise of Silhouette Shanghai skyline of Historical architecture and modern skyscraper on the bund of Shanghai city with Smog lies in misty fog, China

Environment

Extreme heat is now making cities unlivable. How can we survive it?

Features

Space

Einstein’s theories tested on the largest scale ever – he was right

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Environment

Drought, fires and fossil fuels push CO2 emissions to a record high

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PJKM6Y Weisweiler power plant in Eschweiler, RWE Power AG, brown coal power plant and wind power plants, alternative energy, fossil energy, renewable energy, smoke cloud, Eschweiler, Rhineland, North Rhine-Westphalia, Germany

Environment

Why do we burn more coal and wood than ever, asks a provocative book

Culture

Solar panels on the North Barren Mountain in Zhangjiakou, Hebei province, China

Environment

Clean energy rollout means China’s emissions may have peaked

China's carbon emissions may have peaked in 2023, as figures suggest its output has plateaued so far in 2024

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Space

First breathtaking images from Euclid telescope's map of the universe

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Space

Space may be filled with more antimatter than we can explain

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Environment

Are superconducting power lines the key to a cleaner grid?

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Space

Dark matter may allow giant black holes to form in the early universe

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