Environment

Environment

Nutrients from the Sahara to the Amazon

Dust from the Sahara is carried by strong winds to the Amazon

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Ecology

Tree health

Company develops technology to assess tree health by imaging the roots and trunk

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Science

Pig farming has the biggest environmental footprint

Study determines the pressure placed on natural resources by food production worldwide

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AGRICULTURE

Increasing soy productivity is essential to curbing deforestation

Measures could prevent 5.7 million hectares of vegetation in the Amazon and Cerrado from being converted into cropland over the next 15 years

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Biodiversity

Fires in the Pantanal disproportionately affected jaguars

Wildfires in the Pantanal in 2020 had a severe impact on biodiversity

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Environment

Fire consumes vegetation on icy Siberian soil

Wildfires on frozen ground in Siberia are expected to increase exponentially by the middle of the century

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FORESTRY ENGINEERING

New technique used to reforest Brumadinho

The innovative experimental technique uses hormones and grafting to reproduce native trees and speed up their flowering time in areas of socioenvironmental disasters

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Environment

The trash trail to the sea

UN study names the Brazilian cities that dispose of the most plastic waste and the rivers that transport it

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Environment

Brazil dumps 3.44 million tons of plastic waste into the sea every year

Studies reveal the impact of plastic bags, bottles, straws, and other polymeric materials on marine organisms and ecosystems

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ECOLOGY

Freshwater mangroves identified near the mouth of the Amazon River

Study expands the area occupied by this rare type of coastal ecosystem on the border between Pará and Amapá

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COVER

Emissions of carbon dioxide—the most abundant greenhouse gas—double in the Amazon

Study indicates that increased deforestation resulted in the rainforest emitting more carbon than it absorbed in 2019 and 2020

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Archaeology

Pesticides affecting the past

Chemicals used to combat agricultural pests can also damage archaeological artifacts

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Climate

The Amazon produces 8% of the planet’s methane

Most of the gas emitted in the biome comes from wetlands, but the rise in livestock farming and fires has increased emissions associated with human occupation

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COVER

Focus on grazing and nutrition

Efficient pasture management and changes in livestock feeding strategies can reduce the impact on the global climate

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COVER

Low-carbon livestock

With more head of commercial cattle than any other country in the world, Brazil faces the challenge of reducing greenhouse gas emissions associated with this sector

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Environment

The causes of catastrophic rainfall in Pakistan

Pakistan suffered the worst flooding in its history this year due to a combination of climate and environmental factors, with a third of the country affected

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COVID-19

Pollution exacerbates COVID-19

Study by the University of São Paulo warns of the influence of sociodemographic and environmental variables on how people recover from COVID-19

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Biodiversity

Coral reefs shrinking in Abrolhos

Coral reefs off the coast of Bahia have shrunk by 28% over the last 160 years

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Environment

Potential for jobs in the environmental sector

National survey estimates jobs available in the environmental sector until 2030

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Environment

Arctic warming faster than the rest of the world

The Arctic may be warming much faster than experts previously thought

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ECOLOGY

Solving the problem of honey diversity among native bees

With the help of scientists, states are establishing quality guidelines that differ from those used with Apis mellifera, the exotic species used as standard

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Atmospheric Sciences

Global warming intensified torrential rainfall in northeastern Brazil and heatwaves in Europe

Studies suggest climate change caused by humans exacerbates extreme weather events, such as this year's torrential rainfall in Northeast Brazil

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Video

Fishes and corals also suffer with climate change

Altered ocean currents carry less of the microorganisms which feed deep and cold water corals. Closer to the surface, rising temperatures pose energetic challenges for fishes | 3'02

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PROFILE

Scarred forests

International recognition for Brazilian geographer who has spent almost three decades studying the transformations caused by forest fires

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Energy

Airline industry strives to eliminate its carbon footprint

Brazil has the technology and raw materials needed to be a global leader in sustainable aviation fuel production

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AGRONOMY

Strategies aim to reduce external dependence on fertilizer feedstock

Techniques to help farmers use fertilizers more efficiently, inserting microorganisms into seeds, and identifying new feedstock sources have the potential to reduce the need for imports

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Environment

The damaging effects of fire

Intense forest fires make plants less able to perform photosynthesis, hindering the recovery of native vegetation

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biodiversity

From captivity to the skies

Eight Spix’s macaws bred in captivity were released into the wild in Bahia

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Recognition

Carlos Joly wins 2022 Conrado Wessel award

UNICAMP’s Carlos Joly wins the 2022 FCW Science Award

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OCEANOGRAPHY

A refuge for giant algae

Southern coast of Chile appears to be a safe haven for giant kelp forests

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