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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

At a meeting between US president Biden and China president Xi, there was agreement on the need for more US-China government talks on AI safety

News

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

News

gas pipeline

Environment

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

News

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?

News

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

News

Electrical energy

Technology

Tiny generator uses the motion of molecules to produce electricity

News

Technology

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

The expanding use of large AI models demands huge numbers of powerful servers, which could end up consuming as much energy as whole countries

Analysis

Environment

Global power sector has almost hit peak greenhouse gas emissions

News

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

News

Environment

How geologic hydrogen went from fringe science to potential green fuel

Analysis