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Human presence dating back 4,000 years found in Rio de Janeiro

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Rio de Janeiro: Some 500 artefacts made from stone and shells that experts consider vestiges of a human presence in Brazil dating back about 4,000 years were found during excavation for an expansion of the Rio de Janeiro subway.

The artefacts were found at an archaeological site near the port and downtown area, the Rio de Janeiro state government said.

Digs in the area began in 2013 as part of the subway expansion project, which the city pledged to complete when it was selected to host the 2016 Olympic Games.

The site, which was preserved to allow a team of archaeologists hired by the construction company to do its work, has yielded 50 stone artefacts and about 400 seashell instruments.

The artefacts are typical of those made by the primitive nomadic groups that moved across the Rio region long before the first indigenous peoples settled in the area, state officials said.

“These are pieces between 3,000 and 4,000 years old from the period when paleo-Indians who roamed the territory around the Guanabara Bay were hunters, fishermen, gatherers and nomads, and had not organised into tribes yet,” the government said in a statement.

Experts have identified spearheads and tools, such as primitive hammers, axes and scrapers, used to take meat off animal hides and to work stones.

“The prehistoric items will help us to understand an important part of the process of primitive population in Rio de Janeiro,” said archaeologist Claudio Prada de Mello, coordinator of the team that retrieved the artefacts.

“To find something like this in downtown Rio de Janeiro, an area that has undergone several cycles of settlement and transformation, is fantastic,” the archaeologist said.

(IANS)

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Brazil Cut Its Greenhouse Gas Emission Levels Lower Than 2020 Emission Goals

The 2020 emission goals were set out in the 2009 Copenhagen Accord to combat climate change. Under the more ambitious Paris Agreement in 2015 on climate change, Brazil has set goals for further steep cuts in greenhouse gas emissions for 2025 and 2030.

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Brazil Surpasses 2020 Target to Cut Deforestation Emissions. Flickr Commons

Brazil cut its greenhouse gas emissions from deforestation in 2017 to levels below its internationally agreed 2020 climate change targets, the country’s Environment Ministry said Thursday.

Brazil reduced its emission from deforestation in the Amazon rainforest by 610 million tons of carbon dioxide (CO2), compared to its 2020 target of 564 million tons. In the Cerrado savanna, emissions were reduced 170 million tons of carbon dioxide versus a target of 104 million tons.

The Amazon, the world’s largest tropical rainforest, and the Cerrado, South America’s biggest savanna, soak up vast amounts of carbon dioxide, and their preservation is seen as vital to the fight against climate change.

Brazil reduced its emission from deforestation in the Amazon rainforest. Pixabay
Brazil reduced its emission from deforestation in the Amazon rainforest. Pixabay

But destruction of the forest releases large quantities of CO2, one of the main greenhouse gas emissions that cause global warming. Large-scale Amazon deforestation has made Brazil one of the world’s top greenhouse gas emitters, because of fires and the spread of agriculture and cattle ranching.

The 2020 emission goals were set out in the 2009 Copenhagen Accord to combat climate change. Under the more ambitious Paris Agreement in 2015 on climate change, Brazil has set goals for further steep cuts in greenhouse gas emissions for 2025 and 2030.

Also Read: Nature in Danger: Deforestation Climbs High

“The policy message is that we can and should remain in the Paris Agreement (because) it is possible to effectively implement the commitments that have been made,” said Thiago Mendes, secretary of climate change in the Environment Ministry. (VOA)

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