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Scholz of Germany and Xi of China meet for private talks at the G-20 summit in Rio de Janeiro, Brazil, 2024. Efforts are made to avoid tit for tat tariffs on EV's and settle Ukraine war.

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Cities including London, New York, Paris, Rio de Janeiro, Buenos Aires, Mexico City, Melbourne, Milan, Caracas, Cape Town, Copenhagen, Vancouver, have pledged to become carbon neutral by 2050.

Reducing transport emissions is a big challenge. London has Ultra low Emission Zone which encourages people to switch to low emission vehicles.  Paris is creating 650 kilometres of cycling paths and plans to open up the whole city to bicycles by 2026. Buildings have a large carbon footprint - producing 38% of global carbon emissions. Of this 11% are in the construction materials of steel and concrete, Wood is an alternative material that is being tried in buildings. Passive heating is a way to heat or cool buildings by building underground canals around a building and using the natural temperatures of the earth to cool or heat the air above. This is seen in the Energon building in Ulm, Germany.

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Indian trade with Latin America 2025 of $40 billion sees a catchup effort to China's $480 billion trade. Efforts by Brazil's Petrobras and Argentina's YPF to increase exports of oil and LNG to India and increase imports of pharmaceuticals, automobiles and textiles.

Sabrina Olivera from the Argentine Council for International Relations (CARI) says-

"The fact that India is the only democracy in Asia gives it an advantage in Latin America, where most countries in the region are democracies, trust in India is stronger than in China."

Brazil's president Lula and Indian PM Modi worked closely for G20 Summits in New Delhi and Rio de Janeiro. This cooperation and a need for Latin America to diversify from concentration of trade with China, increasing potential with India, can lead to a doubling or tripling of trade with India in a few years.

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Simo Romero describes the serious self-reflection among Brazilians, as protests against the games and a climate of indifference replaces the euphoria in 2009 of getting to host the Summer Olympics in 2016. About 63 percent of Brazilians believe hosting the Olympics will hurt the country, 51 percent say they are not interested and only 16 percent are enthusiastic about the games, according to polling company Datafolha. The problems Brazil faces now stem from corruption scandals at Petrobras, impeachment proceedings against president Rousseff, and appointment of an interim president Temer, both extremely unpopular. Rio de Janeiro state's finances are in severe condition, and Brazil appears to have wasted the boom years by running up too much debt and not investing in public infrastructure, education, healthcare, and public services. As a result during the Olympics the sailing competition in Guanabara Bay near Rio is faced with the unpleasant problem of raw sewage that has not been cleaned up. Security needs in the Olympics area has led to reduced security in the northeast where prison run gangs operate in some areas against public property. Former president Lula da Silva who was once popular as Brazil experienced the commodities boom is now under investigation related to the corruption at Petrobras.  ...

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David Behre is a German paralympic sprinter who won gold in Rio de Janeiro in 2016 for relay 4 X 100 meters, silver in 100 meters, two bronzes including one in London 2012. Here DW.com looks at his first vocation that of helping other athletes using prosthetics. He brings hope and helps others who are amputees to live a normal life.  It is now 14 years since David Behre was hit by a train at a level crossing in town of Moers in west Germany, while riding his bicycle. The barrier was open. Both legs were amputated. David Behre saw aTV report about South African para runner Oscar Pistorius and he decided the wheel chair was not the end. Four months later he was able to walk again with prosthetics. Five years later he won his first medal at the Paralympic Games in London. Then Rio. Then Tokyo. These days he is busy visiting amputees in clinics and bringing new hope. He says that when he shows them his prosthetics, many amputees cry- "they are tears of joy as they can hope again." He has a little daughter and family, he works in a company that makes prosthetics. David makes this part of his life helping amputees and bringing hope into their lives the core of his life along with the rest.   ...

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Six cities have rejected the Olympics, with Calgary in Canada being the last one. The problem with hosting the Olympics is how much it costs. Cost overruns are common. 20141 Sochi WInter Olympics estimated budget was $10 billion, in the end it cost $51 billion. 

Brazil is the latest example of the problem. With huge needs in sanitation, epidemic prevention, infrastructure and public services, the country did badly by spending money on new soccer stadiums in the northeast which were not used after the World Cup soccer championship, and in the summer Olympics. 

Learning from these lessons voters in Calgary, Canada, rejected hosting  the Winter Olympics. Voters or local councils in Innsbruck, Austria, Rome, Italy, Bern, Switzerland, Hamburg, Germany, Oslo and Stockholm have rejected the idea of hosting the Olympics. Other problems are the environmental impact with deforestation to create Olympic sites.