Environment

Geosciences

Landslide scars and shallower rivers increase Rio Grande do Sul’s vulnerability to rainfall

Millions of tons of sediment were carried from the state’s hills into its waterways

By

Cover

Cuts to US science budgets threaten global climate research

Discontinuation of NASA and NOAA projects monitoring the atmosphere and oceans for decades poses a major risk

By

Cover

Brazil’s carbon footprint determined by deforestation and agriculture

The two sectors account for 70% of the country’s greenhouse gases emissions

By

Retrospect

RadamBrasil project celebrates 50 years

Radar mapping has uncovered natural riches, trained hundreds of specialists, and is used in research on relief, geology, soils, climate, and vegetation

By

Sustainability

Research center and company create method for recycling LED lamps

Method based on physical processing of material could reduce waste generation and stimulate circular economy

By

Paleoecology

The Atlantic Forest in layers

Research on microalgae in southern São Paulo reveals how an old lake transformed into a swamp

By

Interview

Regina Macedo: Biologist reformulates view on bird behavior

São Paulo native from UnB who helped revise concepts about sexual selection in the tropics and cooperative breeding has dedicated herself to another passion since last year: painting

By and

Climate change

Heatwaves, high acidification, and chlorophyll scarcity devastate the South Atlantic

Simultaneous occurrence of three types of extreme event has become more frequent in the south of the ocean since 2009

By

Interview

Christiane Taubira: An Amazonian with global reach

After serving as a member of parliament and minister in France, the French-Guyanese economist is preparing to contribute to COP30 with a study on the diversity of local populations

By

Mining

Where does the gold come from?

Chemical elements help trace the origin of gold and uncover illegal mining

By

Climate

Fragile defense against climate disasters

Lack of municipal infrastructure worsens landslides and floods

By

Environment

Ice sheet thickness averages 2,000 km

New map reveals Antarctica’s ice sheet is thicker and more voluminous than previously thought

By

CLIMATE CHANGE

Global warming amplifies heat waves, which could affect Brazilian cities up to 15 times a year

This type of extreme event has become more frequent, more intense, and longer-lasting in recent decades

By

Environment

Harvesting fog in Atacama

Chilean researchers discover innovative way to harvest water from fog in the Atacama Desert

By

Climate change

1.5 billion m3 of rainfall in Rio Grande do Sul

1.5 billion m³ of rain fell in Porto Alegre and the surrounding region in May 2024

By