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Apartment air conditioners in a building in Singapore

Technology

Cooling system could replace air con and drastically cut energy use

A heat-pump-like system that relies on a phenomenon called electrocaloric cooling could heat or chill a room almost twice as efficiently as standard air-conditioning units

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Chinese President Xi Jinping and U.S. President Joe Biden

Technology

How the US and China talking AI safety could reduce nuclear war risk

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A second big bang? The radical idea rewriting dark matter’s origins

Physics

A second big bang? The radical idea rewriting dark matter’s origins

Features

Environment

Ocean heat could supply essentially endless clean energy to islands

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gas pipeline

Environment

Hydrogen is a green fuel despite small warming effect from pipe leaks

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2FM0KRW Aerial of heat sink type modern housing estate with private roads Kellyville Western Sydney Australia.

Environment

What South Australia can teach the world about cutting carbon fast

Leader

Environment

Can we get limitless green hydrogen by splitting seawater?

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Australia, Northern Territory, Hermannsburg, Solar Power Generating Station in Outback

Environment

How countries can go fossil fuel free with wind and solar superpowers

Features

Technology

Energy-guzzling data centres could work just as well with less cooling

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Electrical energy

Technology

Tiny generator uses the motion of molecules to produce electricity

Generating electricity from the movements of molecules in a fluid could one day power devices like tiny medical implants or household appliances

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Technology

Should we be worried about AI's growing energy use?

Analysis

Environment

Global power sector has almost hit peak greenhouse gas emissions

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Environment

Why China's clean energy tech will determine our climate future

Insight

Environment

Renewable energy boom may help us limit warming this century to 1.5 ̊C

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