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Environment

First test of CO2 removal with green sand finds no harm to marine life

Adding olivine to the ocean could remove CO2 from the atmosphere, and a pilot project in New York state found no signs of adverse effects on seafloor organisms

News

Environment

Will burying dead trees after a wildfire keep their carbon locked up?

News

Environment

Carbon credits are flawed, but they can still help save forests

Analysis

Environment

Spreading crushed rock on farms could absorb 1 billion tonnes of CO2

News

Life

Ants capture carbon dioxide from the air and turn it into armour

News

Environment

Ocean geoengineering trial finds no evidence of harm to marine life

News

The 5 worst ideas of the 21st century – and how they went wrong

Humans

The 5 worst ideas of the 21st century – and how they went wrong

Features

A on pump transforms into a judge's gavel

Environment

The secret weapon that could finally force climate action

Features

Environment

EU carbon border tax will force others to cut emissions from 2026

News

Environment

How green hydrogen could power industries from steel-making to farming

Many industries are eyeing up hydrogen as a source of clean energy, but with supplies of green hydrogen limited, we should prioritise the areas where it could have the most positive impact on carbon emissions, say researchers

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Environment

China's carbon emissions may have started to fall in 2025

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Environment

Africa’s forests are now emitting more CO2 than they absorb

News

Environment

CO2 levels in Earth's atmosphere jumped by a record amount in 2024

News

Environment

One of Earth’s most vital carbon sinks is faltering. Can we save it?

Features