Atmospherical Sci.
Astronomy
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Satellite debris in the stratosphere
On returning to Earth, satellites and rockets leave metal chemical elements in the stratosphere
By Redação
Data
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Scientific articles on climate change
Data show increase in scientific articles on climate change
By Redação
Climate change
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Waiting for even more dire effects
Severe droughts in the Amazon could also cause sudden tree mortality
By Redação
Cover
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Temperature variations may cause five million deaths per year
The number is equivalent to 9.5% of all global deaths, with 75% of fatal victims living in Asia and Africa
Cover
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Urban heat islands make even small and midsized towns warmer
Temperatures can vary by as much as 10 degrees Celsius between areas covered by concrete and neighborhoods with more vegetation
Cover
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July was the hottest month in recent history and broke temperature records
Global warming shows no signs of letting up, causing forest fires in the Northern Hemisphere’s summer and a mild winter below the Equator
Video
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What is El Niño?
Animation explains why warming of surface waters in the Pacific Ocean can cause increasingly frequent extreme events | 7'16
By Redação
Environment
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Signs of the next El Niño
The 2023 El Niño could be one of the most intense of the last three decades
By Redação
Geology
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Agency takes responsibility for failed risk assessment
Agency admits failure to communicate volcanic risk to helicopter pilots
By Redação
AEROSPACE TECHNOLOGY
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New capabilities for space exploration
More Brazilian companies are investing in locally developed nanosatellites for commercial applications
History
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Irregular rainfall had a negative impact on the Mayans
Irregular rainfall patterns were a decisive factor in the breakdown of Mayan cities
By Redação
Environment
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The ozone layer in recovery
Ozone layer is recovering and should be restored within a few decades
By Redação
Environment
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Indigenous lands absorb more carbon
Parts of the Amazon managed by Indigenous peoples absorb more carbon than other areas
By Redação
Environment
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Nutrients from the Sahara to the Amazon
Dust from the Sahara is carried by strong winds to the Amazon
By Redação
Environment
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Fire consumes vegetation on icy Siberian soil
Wildfires on frozen ground in Siberia are expected to increase exponentially by the middle of the century
By Redação
Geology
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In the depths of Iceland
Volcanologist identifies pattern after observing the eruption of Fagradalsfjall volcano for 50 days
By Redação
Environment
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Frosts hinder Cerrado recovery
Frost can have similar impacts to fire on tree growth
By Redação
Geophysics
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Asteroid that wiped out the dinosaurs generated the deadliest tsunami in history
Asteroid that wiped out the dinosaurs generated the deadliest tsunami in history
By Redação
Geophysics
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Earthquakes in the sky
Atmospheric balloons at altitude of 20 kilometers detect earthquake in Indonesia
By Redação
Recognition
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Carlos Joly wins 2022 Conrado Wessel award
UNICAMP’s Carlos Joly wins the 2022 FCW Science Award
By Redação
GEOLOGY
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The Tonga megatsunami
Tonga tsunami in January may have been amplified by acoustic-gravity waves
By Redação
Paleontology
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São Paulo was once covered by forest
São Paulo Metropolitan Area was once covered by vast forest of araucaria trees between 180,000 and 135,000 years ago
By Redação