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Sustainability

Green chemistry

The promise of bioplastics

Despite the rising number of alternatives, potential substitutes for traditional fossil-fuel-based polymers still need to increase in scale

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Renewable energy

The power of marine winds

Researchers study how to exploit wind potential off the Brazilian coast

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Profile

Clean water

Scientist from Salvador, Bahia, earns international recognition for new cistern design

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Agriculture

Low-phosphorus sugarcane farming

Sustainability measures could reduce the use of inorganic fertilizers by up to 63%

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Electric Mobility

Lithium batteries made in Brazil

New initiatives set to propel Brazil into the growing market for automotive energy storage systems

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Interview

Lauro Barata: The network of natural wealth

A chemist promotes connections in order to turn plant substances into applied products

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Interview

Paulo Moutinho: Standing in the forest

Biology, economics, and biking trips help the ecologist think about sustainable development in the Amazon

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Cinema

An unreleased Nelson Pereira dos Santos film

Historian finds copy of short film made by Santos about a pioneering project by the Federal University of Mato Grosso

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Food Engineering

Lab-grown beef

Research into meat made from plants or animal cells with the same taste, smell, and texture as traditional beef is advancing quickly

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Cover

Plastic Planet

Invented a century ago, the polymeric material that at first seemed to make modern life so much easier has now become a major environmental problem

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video

Plastic pollution, in numbers and pictures

Since the mid-20th century, an estimated 8,9 billion tons of plastics have been produced worldwide

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Energy

Turbine layout affects power generation

Researchers found that irregular spacing between turbines may optimize energy production

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Vídeo

Illegal Amazonia

Landowners in the state of Pará may be resorting to fraud to extract more timber than is allowed

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COVER

More people in the rainforest

New archaeological sites and evidence of plant domestication support the idea that pre-Columbian Amazonia was densely populated

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ENTREPRENEURSHIP

Flight of the billionaires

SpaceX accelerates private sector space race by putting an electric car into orbit

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PAPER INDUSTRY

Paper from cane fiber and leaves

Companies use sugarcane waste to produce printer paper and packaging

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Synlight

Artificial sun is expected to accelerate the search for clean fuels

Artificial sun is expected to accelerate the search for clean fuels

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Naval engineering 

Autonomous boat

Prototype of a solar-powered vessel carries out measurements

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Economics

Good news for sugarcane

In addition to environmental benefits, an increase in ethanol production has helped to improve people’s lives in the countryside

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TRANSPORTATION

More sustainable buses

A Brazilian company launches a cleaner hybrid electric vehicle in line with multinational manufacturing trends

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CLIMATE CHANGE  

From deforestation to urban pollution

Report says that the forest code is expected to help Brazil reduce greenhouse gases, but goals for 2030 are tied to industrial modernization

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CORPORATE RESEARCH

Chemistry in evolution

Rhodia invests in sustainable chemistry

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ENVIRONMENT

Pact in transformation

Movement to restore the Atlantic Forest reorganizes to meet proposed targets

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Climate changes

Trump’s odd view of science

Early Trump Administration plans make no mention of renewable energy

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ORNITHOLOGY

The birdcage that saves

Saved from extinction, the Alagoas Curassow will be reintroduced into the wild

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Biodiversity

Fewer mangaba trees in Sergipe

Mangaba tree species range in Sergipe fell by 30% in six years

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Sustainability

Beer-making malt transformed into a guitar

A guitar made with cereal malt waste from beer-making

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ECOLOGY

Aquatic America

Habitat degradation could threaten the stability of the largest fish diversity

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Energy

Films capture energy from the sun

Production of flexible solar cells is beginning on a small-scale in Brazil

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MATERIALS ENGINEERING

Tire recycling

Two projects suggest alternatives for reusing rubber

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