Environment

GEOLOGY

Extinct rivers of the Northeast

Sedimentary rock layers indicate that waters descended from mountains in the region some 450 million years ago

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CLIMATE CHANGE

Lack of maintenance and design flaws prevented the flood containment system from protecting Porto Alegre

Damage could have been significantly reduced if the system, installed 50 years ago, had worked properly

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ENVIRONMENT

Climate change and El Niño increased the frequency and intensity of rainfall in southern Brazil

Global warming doubled the likelihood of extreme precipitation, like the heavy rains of April/May, and increased the volume of rainfall in Rio Grande do Sul from 6% to 9%

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CLIMATE CHANGE

How sponge cities can help prevent flooding

How sponge cities can help prevent flooding

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Cover

Care and empathy for animals

Researchers from various disciplines investigate ways to reduce pain and improve the quality of life for species used or consumed by humans

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Biodiversity

Fewer armadillos and more jaguars in the Pantanal after fires

Giant armadillos in decline and jaguar populations increase after wildfires in the Pantanal

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ECOLOGY

Thousands of plant species live on rocks

Thousands of plant species live on rocks

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Environment

Agreement to reduce pollution by ships

Australia and Singapore sign agreement to reduce carbon dioxide emissions from ships

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Environment

Alaskan rivers turn orange and acidic

Minerals in the soil alter water color in dozens of Alaskan rivers

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FARMING

Trees in pasture areas improve cattle herd productivity

Thermal comfort provided by shade makes cattle more productive and increases their ability to reproduce

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ENVIRONMENT

System captures CO2 from the atmosphere

The country's first system designed to remove carbon directly from the air is installed in Rio Grande do Sul

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ENVIRONMENT

Removing carbon from the atmosphere could help curb global warming

CO2 capture, use, and storage systems present an alternative way for Brazil to mitigate the effects of climate change

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CLIMATE CHANGE

Extreme rain, preventive failures, and local geography caused disaster in the South

Water in flooded areas is draining very slowly, prolonging the impact of the catastrophe in Rio Grande do Sul

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Cover

Climate change expected to affect Brazilian coffee

As a result of climate change, coffee farms are likely to migrate again in the coming years in search of more suitable weather conditions

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ECOLOGY

Invasive species in mangroves of São Paulo

Fast-growing invasive plant spreading through mangroves in the Santos estuary

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GEOLOGY

Gateway to the underworld opening wider

Crater in Russia growing larger and releasing between 4,000 and 5,000 tons of carbon per year

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Photolab

Frozen? Not always

Project monitors how snowmelt affects seawater, air, and sediment in Antarctica

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MINING

What to do with the waste generated by mineral exploration

Mining companies, startups, and universities are looking for new ways to use waste produced during extraction processes

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Biochemistry

Floating flowers to clean rivers

Flowers on mats helped clean river water in the USA

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Biodiversity

Colors found among white sandy islands of the Amazon

White sandy areas of the Amazon are home to unique plant communities

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Biodiversity

More dams, less fish diversity

Hydroelectric dams reduce the diversity of freshwater fish worldwide

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Agriculture

Drought-resistant crop options

Diversification of agricultural crops has mitigated effects of climate fluctuations in northwest India

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Photolab

Fish watching

Biologist highlights the importance of ecotourism to the preservation of a river ecosystem

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ENVIRONMENTAL MANAGEMENT

Brazilian cities are more vertical

Changes in municipal legislation and real estate market dynamics are driving the construction of taller buildings

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Environmental management

Disfigured coastline

From the north to the south of Brazil, coastal protection projects seek to curb rising sea levels and beach erosion, usually with little success

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Data

Impacts of Innovations with Environmental Benefits (IWEBs)

Research shows the importance of innovations with environmental benefits

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PUBLIC POLICY

Report identifies 476 invasive species in Brazil

Invasive plant and animal species threaten biodiversity and cause damage

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Cover

Region in the north of Minas Gerais suffers its driest period in over seven centuries

The conclusion is based on analysis of the chemical composition of cave rocks in the municipality of Januária, located in the São Francisco River basin

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Cover

Global warming accelerates the water cycle and increases evapotranspiration

Excess atmospheric moisture can generate both heavy rainfall and prolonged droughts

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Cover

Brazil getting drier

Global warming makes the climate less humid, leading to emergence of the country’s first arid zone

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