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Search on internet about articles / graphs / video related to this issue

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The Olympics for the  going to be powered by renewable energy resources such as solar panels.
They got other businesses and citizens to cooperate with them to lower the CO2 emissions
They used e-Pallete vehicles in Olympic Village to transport athletes anywhere reduce emissions
The medals are made with donated e-waste

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athletes sleep on recyclable cardboard beds (Angela)

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athletes sleep on recyclable cardboard beds (Angela)

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All medals were made out of recycled electronic devices, saving excessive production of new medals and reducing waste from devices being thrown away.

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The Tokyo Olympics made a great effort in being sustainable, including providing biodegradable cardboard beds, making medals from recycled metal (used electronics,) and podiums made of recycled materials.

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Podiums have been made from recycled plastic and medals have been made with metals obtained from recycled phones and other electric devices.

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The carbon emissions released by the large number of athletes traveling to and from their home countries is a significant contributor.

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The swimming stadium used geothermal and solar energy to heat the pool water. Both are renewable energy sources.

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the Tokyo organizing committee purchased 150% of the needed carbon credits so as to offset the Games’ greenhouse gas emissions, with the funds going towards local projects intended to reduce CO2 emissions by a greater amount than the 2020 Games themselves will emit. The Tokyo Olympics also used sustainable materials in just about every facet of the event: athletes slept on recyclable cardboard beds, podiums were  made from recycled plastic and medals were made of metals obtained from recycled phones and other electric devices.

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they used hydrogen powered solar energy to power cars,venues and busses(hajrah,shaun,amy)

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In order for the Olympics to take place, large scale construction for infrastructure was carried out, resulting in huge carbon emissions through construction of arenas, stadiums and other venues for the games to take place.

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(Amy, Hajrah, Shaun)

Medals made out of recyclable materials
Beds in the village are made out of recyclable materials

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Just by bringing athletes from 206 countries to Japan, countless flights were needed, resulting in more pollution and high carbon footprint.

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The construction of new venues required new areas of land and resources.

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Regardless of the effort of trying to be sustainable, a lot the waste produced are discarded in the sea--> increases water pollution. A lot of new facilities were made for the games to be housed. 4,000 of the 10,000 box meals produced were discarded.

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https://eos.org/articles/most-olympic-sports-not-advancing-on-sustainability

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Most Olympic Sports Not Advancing on Sustainability

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World Sailing, World Athletics, World Rowing, and FIFA made the podium. Seven of the 32 summer Olympic sports federations haven't even entered the race.

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https://archinect.com/features/article/150276285/for-host-cities-the-olympics-are-no-game#:~:text=With%20the%202020%20Olympics%20underway%20in%20Tokyo%2C%20we,urban%20environments%2C%20accelerating%20gentrification%2C%20and%20alienating%20local%20citizens.

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The fact that the 2020 Olympic Games commenced midway through 2021 is a sign of the times. Like any event with a traditional ethos of international gathering, Tokyo 2020 was postponed due to the COVID-19 pandemic, beginning almost exactly one year after originally planned. While the Olympics are once again underway, the unique impact of the pandemic remains clear: an absence of spectators, a social separation between those involved in the Olympics and the wider city, and a slew of last-minute dropouts by athletes testing positive for COVID-19 on the eve of the event.

The experience of watching the Olympics in 2021 is unique, but the familiar debate surrounding the impact of the Games on the urban, social, and climatic fabric of the host city is unchanged. While some observers marvel at Kengo Kuma's cedar-clad National Stadium forming the centerpiece of the Games, critics point to the urban upheaval caused by the stadium's construction. In a 2017 paper titled The right to adequate housing: evictions of the homeless and the elderly caused by the 2020 Summer Olympics in Tokyo, a group of academics from universities in Tokyo detailed the expulsion of dozens of homeless people who lived in and around the stadium grounds and the "sudden decision to demolish a nearby public housing estate built for the 1964 Summer Games that forced over 200 tenants, most of whom were elderly, to be relocated." According to one study, the 2020 Olympics has displaced more than 500 people due to new construction.

Beneath a veneer of sustainability, critics say that the processes used to construct the 2020 Olympics have serious environmental consequences.

Tokyo 2020 has also been subject to the same environmental scrutiny as previous Olympics. Despite the Games' slogan "Be better, together -For the planet and the people," critics have expressed frustration that the sustainability agenda of Tokyo 2020, while an improvement on previous Games, amounts to insufficient greenwashing. In a first-of-its-kind study on the environmental impact of the Olympics Games, a group of researchers from the University of Lausanne found that the 2020 Games will be the third-least sustainable since 1992. "No one wants to say goodbye to the Olympics," says Sven Daniel Wolfe, one of the study's authors speaking to the UK Independent. "But what we'd like to see is Games that are less injurious, and more fun for everyone, for the hosts, cities, residents, and the environment. Until we address the underlying business model of these events, real sustainability will remain a dream."

Previously on Archinect: 6 momentous projects from the Olympics' 21st-century history

On a surface level, Tokyo 2020 exhibits several environmental accolades. The extra electricity required to power the Games is 100% renewable energy, while carbon dioxide-free hydrogen is being used as fuel for Olympic torches and cauldrons. A zero-emissions transport fleet across the Games includes fuel-cell electric buses, battery shuttles, and hydrogen-powered trucks, while recycled materials in the Games include podiums made from recycled plastic, and athlete accommodation using recyclable cardboard beds. Beneath this veneer of sustainability, however, critics say that the processes used to construct the 2020 Olympics have serious environmental consequences. Kengo Kuma's National Stadium has been subjected to particular scrutiny, with the Rainforest Action Network (RAN) claiming that the 120,000 sheets of Indonesian plywood used as formwork for the building lacked any certification of sustainability. "We actually found that the majority of the Indonesian plywood that the Olympic organizers sourced was coming from rainforests that are being converted into palm oil plantations," RAN campaigner Hana Heineken . Noting that the stadium's construction has come at a "terrible cost of habitat loss for orangutans and other critically endangered species, along with massive human and workers' rights abuses," she asks: "What was all this for? Was it worth it to destroy the rainforests in Indonesia? Our view is: this was a real waste."

While between $10 billion and $12 billion was spent on hosting the 2016 Olympics, only 15 of the 27 venues commissioned for the Games have seen further events since 2016, with the rest sitting abandoned.

Tokyo 2020 isn't the first Olympic Games to raise questions of the event's impact on local communities, urban fabrics, or the environment; and it won't be the last. The chronic impact of the Rio 2016 Olympic Games has been well documented, with over 22,000 households being displaced to make way for the event; a number nonetheless dwarfed by the 1.5 million evictions in advance of the Beijing Olympics in 2008. "For the most part, they now live in worse situations than they did before," the head of a Rio-based NGO told The Guardian. "And these were already the poor in a very unequal city." While billions of dollars, and 20% of evictions, were spent on new transport infrastructure, urban mobility within the city has in fact declined in the Games' aftermath. "Rio 2016 leaves a shady legacy of a city entrenched with marginalization and discrimination, with a deeply militarized public security approach and a record of human rights violations, where violence remains part of the game," says an Amnesty International report which examined the impact of the Rio 2016 Games on the city. "Unfortunately, the promised legacy of the Olympics of achieving a safe city for all people was not delivered, and instead a legacy of human rights violations endures."

While between $10 billion and $12 billion was spent on hosting the 2016 Olympics, only 15 of the 27 venues commissioned for the Games have seen further events since 2016, with the rest sitting abandoned. Within six months of the Games, the central Maracana Stadium was looted, with windows smashed, copper wire stolen from walls, 10% of seats torn up, and an eventual disconnection of the stadium's electricity. The Games' purpose-built golf course suffered a similar fate, embroiled in financial trouble due to a lack of use. The $20 million facility was constructed despite the fact that the city already offered two elite courses and was ultimately built away from the Games' hub near a working-class suburb, in favor of a wealthy suburb to the west, and despite its impact on an ecologically sensitive area. Meanwhile, owners of the 800,000-square-meter athletes' village abandoned plans to repurpose the area as public housing due to unaffordable prices for local residents, opting instead to provide low-rate loans to sell the accommodation to state entities such as the navy and army. Despite tiresome promises of regeneration and tourism income that accompany the sales pitch of prospective host cities, the 2016 Olympics has taken life from bad to worse for Rio's low-income residents and their urban surroundings.

The disruption to a city's urban fabric before and after the Olympics is compounded by the changing nature of the city during the Games themselves. In their study of the impact of the Olympics on local livelihoods, researchers from the University of Surrey and Coventry University in the UK note that the restructuring of movement within a city during the Olympics can impact negatively on local businesses. These local enterprises often have "no access to the tourists to begin with, because of the way the city is reorganized during the actual events," said the study's authors Mike Duigan and Adam Talbot. "Official sports and cultural activity take place in purpose-built zones, to which the International Olympic Committee (IOC) offers exclusive rights to mega-corporation sponsors, supporters and suppliers. Visitors are encouraged to stay within these zones. They are shuttled between them by an Olympic transport network that effectively shrouds the city and excludes the local community. Not only does this disrupt residents' day-to-day lives, it reconfigures the city in a way that displaces the existing population."

Looking to future iterations of the Games, past appears to be prologue.

Looking to future iterations of the Games, past appears to be prologue. As Paris prepares to host the 2024 Olympics, the disruption to existing urban fabrics, and the livelihoods they host, is once again underway. As Duigan and Talbot note, residents and businesses in northern Paris' impoverished suburbs have been told they must move elsewhere to allow construction of the 2024 athletes' village. Community buildings to be lost include three schools, two apartment blocks, a hotel, a hostel housing 300 migrant workers, and 19 businesses employing 1,000 people. Meanwhile, according to French news outlet France24, a local engineering school will be "cut in two" by the Olympics by an internal road set to be opened up to traffic, while its student residence and refectory are earmarked for demolition. "France lacks specialized engineers," the school's director told France24. "We need to develop the school, and this is more important than this wretched property operation." Among other proposed works, a new motorway exit is due to be constructed next to another school in the area, leading to concerns from locals that the new infrastructure will see an upsurge in pollution and traffic. One resident told France24: "We should be the main winners of these urban transformations, but at the moment, we are a bit on the losing side in terms of pollution."

Previously on Archinect: Dominique Perrault reveals plans for the Paris 2024 Olympic Village

This unease is also taking root within communities due to be impacted by the 2028 Olympics in Los Angeles. "For the Olympics, [what's] going to drive people to be displaced out of rent-stabilized housing is the construction of new hotels, which are being built in now-gentrifying neighborhoods around Olympic sites in downtown and South L.A., which are predominantly communities of color," NOlympics L.A. organizer Gia Lappe told Teen Vogue. In March 2021, NOlympics L.A were one of several organizations to join protests at L.A.'s Echo Park, as police sought to remove homeless people as part of the Games' planning stage. "The removals need to be seen through the lens of how the city is leading up to the 2028 Olympics-that these supposed eyesores of shantytowns and 'undesirables' need to be cleared out," activist Hamid Khan told The Nation. "This is obviously what gentrification and over-policing produces. But it is also the result of how Los Angeles is looking to further brand itself as a 'destination city' for events like the Olympics."

Conscious of the growing discontent among local residents of host cities, and hesitance of city officials to host the Games to begin with, the International Olympic Committee (IOC) has set out a vision for the future of the Olympics titled " The New Norm." Among the plans, which will be used to select host cities for future Games, the IOC will seek to re-examine Olympic Village models to reduce their size and impact. Venue sharing will also be encouraged to decrease the number of new facilities needing to be constructed for the Games. The IOC points to Los Angeles' commitment to not construct any new venues for the 2028 Games as a model for the future.

Previously on Archinect: A look back at when architects competed for Olympic glory

Our analysis shows that organizing more sustainable Olympic Games is possible.

The University of Lausanne's study on the environmental impact of the Games also sets a tone of optimism, underneath its banner warning that the Olympics appear to be becoming more unsustainable over time despite growing global concern for climate change. "Our analysis shows that organizing more sustainable Olympic Games is possible," the study notes. "Yet incisive reforms are required to up the game in Olympic sustainability before these events can inspire and influence sustainable futures." The study points to three key actions which are feasible in the short term but would result in major improvements in sustainability. A significant downsize of the event will "lead to a gain on almost all sustainability indicators by reducing resource requirements" while also reducing the displacement and disruption to people and cities. Meanwhile, rotating the Olympics across a select group of cities would allow for the reuse of infrastructure from previous Games. Los Angeles' commitment to not construct any new venues for the 2028 Games, for example, is made easier by the fact that Los Angeles hosted the Olympics in 1984. Finally, the report calls for an improvement to sustainability governance, defined as "creating or mandating an independent body to develop, monitor, and enforce credible sustainability standards." Such a move would prevent individual host cities from setting their own sustainability goals, for which they often remain unaccountable.

An Olympic Games for the 21st century that embraced boundary-pushing environmental and urban responsibility in all its forms, including its architecture, could become a primary vehicle in setting a global sustainable outlook.

Notwithstanding the uneasy environmental, urban, and social upheavals caused by the Olympic Games, the event nonetheless offers a rare embodiment of optimism, global cooperation, and a celebration of the limits of human potential. Reform of the sustainability and urban agenda of the Olympics therefore represents an opportunity for improvement on two wavelengths. At the pragmatic scale of the event, an embrace of proposals such as those from the University of Lausanne would serve to meaningfully reduce the impact of each individual iteration of the Games; principles which could be translated across an array of events within and beyond the sporting world. However, an effective response to climate change must go beyond the pragmatic, organizational, or bureaucratic. In tandem, it must also activate the human consciousness on an everyday, individual level; merging the top-down processes of governments, architects, and urban planners with a bottom-up behavioral responsibility of everyday citizens, their habits, and their consumption of resources.

A rare recurring platform that captures the world's gaze and its imagination, the spectacle of the Olympics can aid the setting of a more sustainable, equitable agenda; one with potential benefits far beyond the metrics of any one iteration of the event. An Olympic Games for the 21st century that embraced boundary-pushing environmental and urban responsibility in all its forms, including its architecture, could become a primary vehicle in setting a global sustainable outlook. By contrast, an Olympic Games that continues its present losing streak of urban upheaval, material waste, and exploitation will become increasingly toxic in the eyes of once-eager host cities, and their once-inspired residents.

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For Host Cities, the Olympics Are No Game

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With the 2020 Olympics underway in Tokyo, we reflect on the urban and environmental impacts of the Olympic Games on its host cities. Whether Rio 2016, Tokyo 2020, Paris 2024, or Los Angeles 2028, the Olympics suffer from a legacy of fragmenting existing urban environments, accelerating...

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https://www.greenmatters.com/p/olympics-environmental-impact

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Are the Paris 2024 Olympics Saying Au Revoir to Environmental Neglect? Details on the Olympic Village

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The Paris 2024 Olympic Village has been deemed a do-good “eco-neighborhood,” but what is the real environmental impact of the Olympic Games?

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Needless gifts were given to participants, such as Samsung phones, sports clothes and more, resulting in a waste of resources.

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https://olympics.com/ioc/news/all-you-need-to-know-about-tokyo-2020-sustainability

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Only eight new competition venues have been built from scratch. Some 25 of the 43 Olympic and Paralympic venues existed before the Games - some of them used at the Olympic Games Tokyo 1964. Many of them have been retrofitted with advanced building technologies to reduce energy consumption. Another 10 venues are temporary structures designed to minimise construction costs and energy use.

The Olympic torch was produced using aluminium waste from temporary housing built in the aftermath of the 2011 earthquake. Even the T-shirts and trousers worn by torchbearers were made from recycled plastic bottles collected by Coca-Cola.

Metals salvaged from nearly 79,000 tonnes of smart phones and other electronic equipment donated by the Japanese public - known as "urban mines" - have been used to make the 5,000 Olympic and Paralympic medals.

As part of an initiative by Worldwide Olympic Partner P&G, medallists will stand on podiums made from recycled plastic waste.

Ninety-nine percent of all goods procured for the Games will be reused or recycled. For example, timber donated by more than 60 municipalities for Operation BATON (Building Athletes' village with Timber Of the Nation) for the Olympic Village Plaza will be dismantled after the Games and returned to communities for reuse.

Organisers have hired much of the equipment rather than buying it. Some 65,000 computers, tablets and electrical appliances, together with 19,000 office desks, chairs and other fixtures that have been rented for the Games, will be returned and reused after the Games finish.

Athletes will sleep on 18,000 beds made from recyclable cardboard. Weightlifters and shot-putters need not be alarmed, however: the frames are more than two metres long and support up to 200 kilograms! Even the mattresses can be recycled into plastic products.

Beyond carbon neutral

Much of the energy for Tokyo 2020 comes from renewable sources, including solar arrays and wood biomass power, which uses construction waste and tree clippings in Japan to produce electricity.

The Ariake Urban Sports Park, which hosts the BMX freestyle, BMX racing and skateboarding events, is powered completely by renewable solar electricity produced in Fukushima, the scene of the 2011 Great East Japan Earthquake.

Where it has not been possible to use renewable energy, Tokyo 2020 is using green power certificates to compensate the use of non-renewable electricity.

Tokyo will go beyond carbon neutrality by offsetting more carbon emissions than it emits. The Games' carbon offsetting programme covers all direct and indirect emissions, including transport and construction.

Under Japan's carbon cap-and-trade programme, carbon credits will offset around 720,000 tonnes of CO2 expected to be emitted in Tokyo over the four days of the Olympic and Paralympic Opening and Closing Ceremonies.

The Tokyo Metropolitan Government (TMG) has pledged to halve greenhouse gas (GHG) emissions in the city by 2030 (compared to 2000 levels) and to increase the use of renewable energy by around 50 percent.

Clean hydrogen fuelled the Olympic torch for part of its journey, and will light the Olympic and Paralympic cauldrons.

A hydrogen station has been installed nearby. After the Games, the Village will be turned into hydrogen-powered flats, a school, shops and other facilities.

A fleet of 500 hydrogen Fuel Cell Electric Vehicle (FCEV) cars has been provided by Worldwide Olympic Partner Toyota as part of the official Olympic fleet.

Gender equality, diversity and inclusion

Tokyo 2020 is the first gender-balanced Olympic Games, with 49 per cent of the athletes taking part female and 51 per cent male;

For the first time, a department of Female Athlete Medicine in the Olympic/Paralympic Village polyclinic has been set up to provide comprehensive medical support for female athletes.

Under the leadership of Tokyo 2020 President Hashimoto Seiko, in March 2021, Tokyo 2020 appointed 12 additional women to its Executive Board, boosting its female representation from 20 to 42 per cent.

The Games Organising Committee has a special department dedicated to diversity and inclusion, under the tagline: "Know Differences, Show Differences".

The chequered design of the Tokyo 2020 Olympic and Paralympic emblems represents different countries, cultures and ways of thinking. Its message of "Unity in Diversity" promotes diversity as a platform to connect the world.

The first permanent LGBTQ+ centre was established in Tokyo, called Pride House Tokyo. It aims to raise awareness of LGBTQ issues through the creation of hospitality spaces, hosting of events, and production of diverse content. It is the first ever Pride House officially recognised by the Olympic and Paralympic Games.

Building for the future

The two main Olympic zones - the Heritage Zone and the Tokyo Bay Zone - are designed to build on the best of the past for a sustainable future.

The Heritage Zone repurposes several iconic venues used at the Tokyo 1964 Games, including the table tennis venue at the Tokyo Metropolitan Gymnasium and the world-famous Nippon Budokan.

The new Japan National Stadium - home to the Opening and Closing Ceremonies - incorporates giant eaves to allow cooling breezes to circulate freely. The eaves, a feature of traditional Japanese architecture, are designed to use natural wind instead of air conditioning.

In contrast, the ultra-modern Tokyo Bay Zone is a model for innovative urban development which will revitalise the Tokyo waterfront, with improved transport and access to the bay area. Among the 16 venues are the Tokyo Aquatics Centre, which can adjust the length and depth of its pools by moving floors and walls and is powered by solar energy and a ground heat exchanger.

The Olympic Village - which sits at the intersection of the two zones - lies on reclaimed land and The Olympic Village - which sits at the intersection of the two zones - lies on reclaimed land and includes a "relaxation house"in Harumi Port Park where athletes can rest and recharge. Electricity used by the facility is generated with hydrogen using pure-hydrogen fuel cells.

After the Games, it will become Japan's first hydrogen-powered town and a model for future hydrogen-based societies.

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All you need to know about Tokyo 2020 sustainability - Olympic News

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From the hydrogen-powered cauldron to medals made from recycled mobile phones, from gender balance to the first official Pride House, the Olympic and Paralympic Games Tokyo 2020 are blazing a trail for the future. Here’s everything you need to know about how Tokyo 2020 is helping build a better, more sustainable world through sport.