Environment

Management

Calculator estimates methane emitted by intensive livestock farming

Calculator estimates methane emitted by intensive livestock farming

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Aeronautical engineering

Drones used to fight fires and monitor environmental conditions

University in São Paulo is working with companies to design drones capable of fighting forest fires and measuring greenhouse gas concentrations

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Environment

Over 85% of municipalities in Brazil have no climate change adaptation plan

Index calculates capacity to reduce the impacts of extreme events in more than 5,000 cities

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Atmospheric sciences

Deforestation is making the Amazon drier while global climate change is making it warmer

Deforestation is responsible for almost 75% of the decline in rainfall during the region's dry season

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Ecology

Bird feathers contain traces of pesticides

Bird feather flaws caused by pesticides

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Environment

AI to recover climate data

Artificial intelligence helps recover climate records beyond the reach of large-scale analyses

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Climatology

Heat spoils the mood

Rising temperatures could reduce global well-being by the end of the century

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Epidemiology

Mosquitoes spreading diseases across Europe

Warming climate helps mosquitoes spread infectious diseases across Europe

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Environment

Predicting landslides

Data on climate, soil, and topography help predict landslides

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Geosciences

Rivers alter landscapes by incorporating parts of other rivers

Rivers alter landscapes by incorporating parts of other rivers

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Health

Flu cases rise with wildfires

Study associates wildfires with increase in flu cases

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Geography

Freshwater scarce in the Northern Hemisphere

Earth’s continents have suffered an unprecedented loss of freshwater since 2002

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Chemical engineering

New technique for recycling lithium-ion batteries

Pilot plant will test unique process for recovering chemicals from the main types of devices on the market

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Green energy

Brazilian scientists transform CO2 into fuel for ships, cars, and trucks

Ongoing projects seek to establish industrial production of renewable methanol, gasoline, and diesel

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Botany

Trees that protect other trees

Capororoca and pixirica in the Atlantic Forest, and catingueira and faveleiro in the Caatinga, create favorable environments for dozens of other species

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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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