Environment

Environment

Ice sheet thickness averages 2,000 km

New map reveals Antarctica’s ice sheet is thicker and more voluminous than previously thought

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CLIMATE CHANGE

Global warming amplifies heat waves, which could affect Brazilian cities up to 15 times a year

This type of extreme event has become more frequent, more intense, and longer-lasting in recent decades

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Environment

Harvesting fog in Atacama

Chilean researchers discover innovative way to harvest water from fog in the Atacama Desert

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Climate change

1.5 billion m3 of rainfall in Rio Grande do Sul

1.5 billion m³ of rain fell in Porto Alegre and the surrounding region in May 2024

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Environment

Rondônia in flames 43,000 years ago

Macrocharcoal reveals forest fires in Rondônia 43,000 years ago

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Zoology

Climate caused megafauna extinction

Lack of rain accelerated extinction of megafauna in Northeast Brazil

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cover

The high energy demands of the cryptocurrency market

The digital currency industry’s electricity consumption is equivalent to that of an average European country

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COVER

How to make data centers more sustainable

Renewable energy sources and more efficient distribution of computing tasks could reduce the impacts of these facilities

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COVER

The environmental impacts of computing

The energy- and water-intensive sector is responsible for 1.7% of atmospheric carbon emissions; a new area of research has emerged to address the problem

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ENVIRONMENT

Artificial intelligence identifies areas most vulnerable to landslides

Study compares the effectiveness of five machine-learning models at predicting this type of disaster in São Sebastião

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CLIMATE CHANGE

2024 was the first year with global warming above 1.5 °C

All continents broke their average temperature record except for Oceania and Antarctica

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Climate

Trees cool the environment, but they also heat it up

Urban trees have a greater cooling effect in hot, dry cities

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Policy

US withdraws from Paris Agreement and WHO

US President signs executive orders withdrawing the country from Paris Agreement and WHO

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Environment

How to harness methane

US institute develops catalyst capable of converting methane into useful compounds

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ATMOSPHERIC CHEMISTRY

Gas in the Amazon rainforest accelerates cloud formation

Trees emit isoprene, which reacts with other molecules and increases the production of cloud condensation nuclei 100-fold

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