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Environment

Environment

The Amazon is losing gas

Studies indicate that the east of the rainforest, which has suffered greater deforestation, has become a source of carbon dioxide in the last decade, while the west is trying to remain a carbon sink.

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Cover

Institute renowned for its pioneering spirit

Over the course of its history, INPE has become known for its important contributions to various scientific fields

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Cover

INPE under pressure

Brazil’s most important space research center celebrates its 60th anniversary with a reduced budget, research projects facing uncertain futures, and major challenges ahead

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Environment

Earth’s cryosphere is shrinking

The ice that covers the Earth decreased by an average of 87,000 square kilometers per year between 1979 and 2016, possibly due to climate change

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Video

Harpy eagles are disappearing from parts of the Amazon

Preys for the largest eagle on Earth dwindle in deforested areas | 1'58

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ENVIRONMENT

Less forest, more agriculture

South America loses natural vegetation while livestock and crops gain ground over the last three and a half decades

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REGULATIONS

Weakened legislation

Brazil dismantling environmental protection structures during the pandemic

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Photolab

Vital swamp

Although the Amazon is known as a rainforest, it is also home to the largest mangrove in the world

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Environment

Fighting global warming

US academies of science propose a research program to study the feasibility of Earth cooling measures

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Climate change

Risk of more natural disasters

Global warming may lead to more flash floods and landslides caused by extreme rainfall in the South, Southeast, and Northeast of Brazil

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Environment

Hidden losses

The size of the Atlantic Forest has remained almost stable for 30 years, but old forest is losing ground to newer formations with lower biodiversity and carbon stock

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Environment

Causes of extreme drought in the Pantanal

Across 2019 and 2020, the Pantanal faced the worst drought recorded in the last 50 years

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Award

Responsibility and diplomacy in science

Two Brazilians—physicist Ricardo Galvão and climatologist Carlos Nobre—were honored on February 10 at the annual meeting of the AAAS

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Careers

Public well-being

Public health experts are responsible for creating and implementing ways of protecting the health of the population

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Environment

Drones map Brazilian forests

Unmanned aerial vehicles are being used to quickly and efficiently monitor rainforests in great detail

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Geology

Coastal mountains moving

Subject to constant erosion, they are slowly advancing inland, and within a few million years could form a vast coastal plain

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Oceanography

Deep heating

Sensors installed up to 4,700 meters below the ocean’s surface record increased temperatures in abyssal regions of the South Atlantic

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COVID-19

Lockdown and the city air

The strict social distancing measures adopted by governments to try to contain the spread of the pandemic have improved air quality in some of the world's major cities

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Biodiversity

Damage beyond deforestation

Fragments of Atlantic Forest have already lost 23–42% of their biodiversity and forest carbon stocks

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Environment

Lakes to lose ice cover by 2100

Some 5,700 lakes in the northern hemisphere are expected to lose their ice cover during the winter by the end of the century

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Video

How drones chart forest biodiversity

Unmanned aerial vehicles are used to monitor tropical forests in a speedy, efficient and detail-rich manner | 4'34

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Crop science

Soil genetics

New mineral mapping technique can help farmers save on farm inputs and minimize environmental impacts

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Botany

Tropical trees die sooner

Tropical species have average lifespans of 186 years, while temperate species live for an average 322 years, a study on 438 tree species shows

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COVID-19

Vaccines and sharks

A compound extracted from the livers of sharks is used in five coronavirus vaccine candidates

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Anthropogenic mass

The weight of human production

Asphalt and concrete make up most of the mass produced by humans

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Retrospect

The roots of environmentalism

Colonial period exploitation, and the counterculture movement influenced the course of research and environmental defense in Brazil

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Environment

The scale of the thaw in Greenland

Greenland's three largest glaciers lost nearly 2.9 trillion tons of ice between 1880 and 2012

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COVER

Shaped by floods and fires

Water, and to a lesser extent, fire, influence flora distribution and diversity in the Pantanal

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COVER

The Pantanal pleads for rain

Record fires destroy a quarter of the world’s largest floodplain and worsen the impacts of a prolonged drought

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Energy

Electric cars, the economy, and health

Replacing 25% of American cars with electric vehicles would save the country US$17 billion per year

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