Environment

Cover

Two Amazons

The dry season is getting longer in the southern Amazon, where most deforestation occurs, while the northwest remains wet

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Environment

Climate change could lead to bread shortages

Severe and frequent droughts could become common by the end of this century as a result of climate change

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Public policy

Unsustainable energy

In addition to financial expenses, scholars see high social and environmental costs as obstacles to hydroelectric expansion in the Amazon

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Environment

How to monitor forest fires

Data from NASA and INPE satellites confirms increased number of fires in the Amazon

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Environment

Forestry budgets

Researchers examine why some conservation areas receive more public funding than others

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ENERGY

Winds of change

Brazilian wind power could provide three times more energy than all other electricity sources put together; it currently supplies 22 million homes

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Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse scenario occurs in wet forests

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Video

How does the Amazon controls Earth’s climate?

Physicist Paulo Artaxo, from USP, explains the Amazonian rainforest’s role in the water and carbon cycles in Brazil as well as globally

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Transport

Electric buses on the horizon

Vehicle emissions policies in major cities stimulate development of battery-powered buses

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IPCC

Land use and climate change

Humanity uses over 70% of the earth's ice-free land surface, and primary activities account for nearly a quarter of greenhouse gas emissions.

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Environment

Deforestation at a crossroads

INPE's monitoring of the Amazon rainforest has earned international prestige but could be replaced by a private service

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Profile

Pure air

Chemical engineer creates air purifier startup based on prototype developed during PhD research

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Biodiversity

A deadly month for right whales

At least six right whales were found floating dead in the icy waters of the Gulf of Saint Lawrence, off the east coast of Canada

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Environment

Plenty of space to plant trees

There are about 1.6 billion hectares available worldwide for forest restoration projects, most of which are far from urban areas and agricultural land

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Environment

Climate change litigation and record temperatures

The number of climate change lawsuits continues to grow in at least 28 countries

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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

Reuse, replace, degrade

Experts call for multiple strategies to tackle plastic pollution

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Cover

The threat of microplastics

Tiny plastic fragments are everywhere and removing them poses a major challenge

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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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Environment

Climate change and the Amazon

Climate change could become the primary threat to the Amazon rainforest in the coming decades, contributing to a significant decline in tree diversity in the region by 2050

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Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse occurs in wet forests

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Ecology

Selective hosts

Flowers exploit color and odor to hide from or attract specific bees

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Environment

The long goodbye of the glaciers

Mountain glaciers in southwestern Argentina and northeastern Spain are rapidly losing ice and could disappear completely by the end of the century

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RETROSPECT

Fight for the forest

For 30 years, IBAMA has been working to protect the environment in Brazil through operations based on technical studies and scientific research

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Environment

The gradual degradation of ancient lakes

Intensive fishing, sewage, fertilizer runoff, algae, invasions of exotic species, and tourism are altering the world's largest freshwater lakes

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Video

Programs track Amazon deforestation

PRODES and DETER systems, developed by the National Institute for Space Research (Inpe), have different and complementary roles. Understand how

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Environment

Fuel-efficient only on long trips

Vertical take-off and landing aircraft could help reduce congestion and improve air quality in major cities

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Video

How to protect sharks

Research group tracks oceanic sharks and maps them onto fishing zones in order to propose conservation areas | 3'40"

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Environment

Life goes on

Environmental legislation helps reconnect Atlantic Forest fragments in agricultural regions across Brazil

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Global warming

Hotter and drier cities

Modeling indicates that temperatures will rise and rainfall will be halved in São Paulo, Rio de Janeiro, and Santos by the end of the century

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