Environment

Environment

The unwanted effects of sunscreen

Compound used in sunscreen and other cosmetics hinders plastic degradation

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Environment

Second-hand clothes pollute the air and rivers in Africa

Huge volumes of used clothing sent to Africa are polluting rivers

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Climate change

Triple suffocation in the ocean

Compound extreme events consisting of heatwaves, high acidification, and chlorophyll scarcity have become frequent in the South Atlantic since 2009

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Atmospheric chemistry

From the forest to the air

Gas emitted by trees in Amazonia increases the production of condensation nuclei, the origin of clouds, by 100 times

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Geosciences

Landslide scars and shallower rivers increase Rio Grande do Sul’s vulnerability to rainfall

Millions of tons of sediment were carried from the state’s hills into its waterways

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Cover

Cuts to US science budgets threaten global climate research

Discontinuation of NASA and NOAA projects monitoring the atmosphere and oceans for decades poses a major risk

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Cover

Brazil’s carbon footprint determined by deforestation and agriculture

The two sectors account for 70% of the country’s greenhouse gases emissions

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Retrospect

RadamBrasil project celebrates 50 years

Radar mapping has uncovered natural riches, trained hundreds of specialists, and is used in research on relief, geology, soils, climate, and vegetation

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Sustainability

Research center and company create method for recycling LED lamps

Method based on physical processing of material could reduce waste generation and stimulate circular economy

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Paleoecology

The Atlantic Forest in layers

Research on microalgae in southern São Paulo reveals how an old lake transformed into a swamp

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Interview

Regina Macedo: Biologist reformulates view on bird behavior

São Paulo native from UnB who helped revise concepts about sexual selection in the tropics and cooperative breeding has dedicated herself to another passion since last year: painting

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Climate change

Heatwaves, high acidification, and chlorophyll scarcity devastate the South Atlantic

Simultaneous occurrence of three types of extreme event has become more frequent in the south of the ocean since 2009

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Interview

Christiane Taubira: An Amazonian with global reach

After serving as a member of parliament and minister in France, the French-Guyanese economist is preparing to contribute to COP30 with a study on the diversity of local populations

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Mining

Where does the gold come from?

Chemical elements help trace the origin of gold and uncover illegal mining

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Climate

Fragile defense against climate disasters

Lack of municipal infrastructure worsens landslides and floods

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