An Indigenous group’s objection to geoengineering spurs a debate about social justice in climate science

The Sámi people of northern Sweden say blocking out the sun with reflective particles to cool the earth is the kind of thinking that produced the climate crisis in the first place.

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Controversial geoengineering scheme will dump iron in the sea

A former UK chief scientific adviser is planning experiments to drop sand naturally containing iron in oceans to tackle climate change and restore marine life, in a major geoengineering project that is likely to prove controversial.


Reader response: Opponents of geoengineering misunderstand humanity’s choices

Editor's note: This letter to the editor is in response to EHN's June 10 story Solar geoengineering: Scientists decry a 'foolish' idea.

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Why Indigenous groups oppose geoengineering by Harvard scientists

Harvard researchers are studying whether partially blocking the sun using particles high in the atmosphere can reverse global warming. Indigenous peoples and environmental activists are urging the scientists to scrap what they see as an unproductive and risky project.

Solar geoengineering: Scientists decry a 'foolish' idea

The idea sounds preposterous, straight out of a Ray Bradbury novel: Tint the planet's atmosphere so the sun's rays bounce back into space, instead of heating a planet growing increasingly warmer via fossil fuel emissions.

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The hot debate over solar geoengineering and its impact on climate

In addition to cutting carbon emissions, is it time to study methods for altering the atmosphere? Three experts square off.

Can reflecting the sun's heat cool the warming Earth?

New research digs into using technology to fight climate change by cooling down the planet. One idea? Reflecting the sun's heat into space.

The latest must-have among US billionaires? A plan to end the climate crisis

Elon Musk, Jeff Bezos and Bill Gates have an estimated wealth of $466bn – and are emblematic of a Davos-centric worldview that sees free markets and tech as the answer.

Scientists support an idea long thought outlandish: Reflecting the sun’s rays

The National Academies said the United States must study technologies that would artificially cool the planet by blocking sunlight, citing the lack of progress fighting global warming.

Climate change: Can humans be the Earth's air conditioner?

If we have become so powerful that we can warm the Earth by a few degrees, then we must be able to use that power to cool it down too. It is called geoengineering.

Make it rain: US states embrace 'cloud seeding' to try to conquer drought

Cloud seeding involves adding small particles of silver iodide to clouds to spur rainfall – but will it work?

Why cloud seeding won't reverse climate droughts

Scientists are investigating an unconventional way to combat climate-driven drought in the western U.S.: spraying clouds with special particles to make them dump more snow.

Can we patch up the natural world we've hurt?

In “Under a White Sky,” Elizabeth Kolbert explores the human efforts to confront the effects of climate change, and all their unintended consequences.

Can a cold water bath save the Great Barrier Reef?

Lack of action on climate change is forcing scientists to devise ever more elaborate ways to stave off the damage.
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