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The Bosporus is currently one of the most crowded waterways in the world. Thousands of oil tankers make up part of the 53,000 civilian and military vessels that transited through the Bosporus in 2017, compared to around 12,000 ships that transited the Panama Canal, and 17,000 the Suez Canal.

At the Black Sea, the canal will link with a new, 10 billion euro airport set to open this year that will feature the largest indoor terminal in the world. It will handle 200 million passengers annually, along with an air cargo hub that Turkey hopes will draw traffic from current European airports. A new highway cutting through forest on the Black Sea coast will feed the airport and canal, bringing cargo from Europe to the west and Asia to the east.

many of the region’s environmental experts say the government has not consulted them. Some of these experts have grown critical of the massive projects, saying they could have serious ecological consequences and imperil an already tenuous water supply

A square meter of land around Şamlar that went for $6.5 three years ago now sells for up to $184

“We are going to have new hospitals, parks, marinas, luxury apartments, and a city on both sides of the beautiful canal that will look like New York or Paris,”

Around 2 million people are employed in construction in Turkey, which accounts for about 19 percent of the country’s annual economic growth. Turkish construction firms rank as the second most active in terms of overseas operations, after Chinese firms. To reach its economic goals for 2023, the government has said it will need to invest about $700 billion in new infrastructure, plus $400 billion in urban renewal projects

many of the city planners and environmental experts Turkey once asked for advice on such mega projects now say they are being ignored. Many of these professionals say they are no longer seen as advisors, but political opposition to the ruling Justice and Development Party

Residents in the area challenged the projects in 2013, filing lawsuits claiming the expropriation of their land was too hasty, and the government was paying them a fraction of the true value of the land. Based on the government’s own environmental impact report, nearly 100 other villagers then filed additional cases challenging the projects. Although a court ordered construction to be halted, the government issued a revised report in 2014. At that time they resumed construction.

The canal, airport, and highway projects directly contravene the city’s master plan, opponents charge.

In 2012, Turkey’s federal government passed new legislation that would make it easier to reclassify any reserved land. Areas can be expropriated if they are deemed an earthquake risk, if they are needed to house people in the case of an earthquake, or if their development is considered in the national interest.

“The 2009 plan was trying to at least set an aim for the population of Istanbul, capping it at 16 million,” says Atlar. “The conclusion was that there should be no more settlements in the northern forest, and that water and culturally important land must be protected. Further development would be east and west, not north.”

With Istanbul’s population growing at a breakneck pace—from 3 million in 1980 to 15 million today—the city plan was meant to ensure resources like water and housing would be able to meet demand

Of the 7,650-hectare land for the airport, which will include residential and commercial developments, 80 percent is now composed of forests and 9 percent lakes and ponds. Canal Istanbul will result in the leveling of 350 hectares of forest and run through districts that are home to more than one million people.

there is an open question of whether or not such a canal would violate the Montreux Convention, a 1936 treaty that ensures the free passage of commercial vessels and naval ships of countries along the Black Sea, including Russia, through the Bosporus, except in times of war

Turkish officials have said the new canal will be able to handle all the traffic currently in the Bosporus, hinting that although they would like all current traffic to use the new route, the internationally protected Bosporus could also remain open, so the 1936 treaty is not technically violated. “The Montreux Convention regulates access to the Bosporus. However, the regulations for the Bosporus and the canal our country plans to build to offer an alternative route are different,” Minister Arslan said in January.

city’s water supply in danger.

In the 17th century, Mimar Sinan, the same Ottoman architect famed for the Blue Mosque, oversaw the construction of hundreds of miles of new aqueducts, several dams, and water basins that fed into hundreds of fountains in the city. Most of that ancient water system relied on streams and rivers in catchment areas in the forests north of the city—the same forests where the new airport is currently being built.

around 40 percent of Istanbul’s water comes from the European side of the city, which, even according to the government’s own environmental assessments, will be severely impacted by the canal and airport. The Sazlıdere Dam will be entirely uprooted, and smaller streams and underground water tables that feed at least three other lakes in the area could end up being disrupted. A drought in 2008 depleted the capacity of the city’s water reservoirs to 25 percent, and another in 2014 to 29 percent. Even in more wet years, Istanbul residents deal with water cuts that can last days

The Marmara Sea, part of the Mediterranean, is far more salty than the Black Sea, which leads to a powerful flow of water as the two bodies naturally try to reach a state of equilibrium. That flow was put to use by engineers in the 1990s, part of a $600 million World Bank project to provide a sustainable water system for Istanbul.

a series of 67 waste treatment plants were built. The city estimates 97 percent of its waste is now treated. The effluent, including any waste that still remains, is dumped into a point where the Bosporus meets the Marmara Sea. There, it is carried by an undercurrent north to the Black Sea.

with the Canal Istanbul project, Saydam and other experts warn that system could be turned on its head, upending the delicate balance of life in the water. If the canal is built, Saydam says, it will provide an alternate route connecting the Black and Marmara Seas. Years of modeling and scientific studies suggest that could undo the unique waste water system in Istanbul, he says. The change in the salinity could also spark an anoxic state in the waters, one that would end up leaving the city smelling of hydrogen sulfide

once you do this there will be no way to turn back

The ruling elites are all dependent on oil rents for the survival of their regimes. They need the oil business to stay alive for them to stay in power. Their system is based on continued oil rent, but ultimately, the citizens’ long-term interests are with a liveable climate

The precise point oil demand will peak has been contested, and depends on a myriad of assumptions about regulation, technology and consumer behaviour. But many people say demand will peak in about 2040, and then decline.

the International Energy Association’s report Net Zero by 2050, by contrast, proposed oil demand fall from 88m barrels a day (mb/d) in 2020, to 72 mb/d in 2030 and to 24 mb/d in 2050, a fall of almost 75% between 2020 and 2050. It argued that the Gulf has all three elements needed to switch to renewables: capital, sun and large tracts of vacant land.

Opec’s own projections suggest oil demand will rise in absolute terms through to 2045, and oil’s share of world wide energy demand will fall only from 30% to 28%. Hardly a green revolution.

In the United Arab Emirates it is estimated that the climate crisis costs £6bn a year in higher health costs. The salinity of the Gulf, caused by proliferating desalination plants, has increased by 20%, with all the likely impact on marine life and biodiversity.

Aramco, the Saudi company with the largest carbon footprint in the world, is not trying to diversify at the rate of Shell or BP. Indeed, it has just announced an investment to increase crude capacity from 12m barrels a day to 13m barrels by 2027

If you see the lifestyle in the UAE, Saudi Arabia and Qatar, it is based on endless consumption

The region is responsible for only 4.7 % of worldwide carbon emissions, dwarfed by the pollution from Europe, America and China. The oil that the Middle East exports is logged against the carbon emissions of the users, not the producers.

The Gulf’s self-proclaimed first mover, the UAE, was the first country in the region to ratify the Paris agreement and is now the least dependent on oil for government revenues. Last week it announced a “net zero initiative by 2050” to be begun with $163bn (£118bn) of investments and a new minister for climate change and the environment, Mariam Almheiri. The announcement came after the UAE ordered an 80-day brainstorming session in every government department from June. It was the first petro-state to embrace net zero in domestic consumption.

Gulf states are deeply competitive, so a flurry of news is emerging. Qatar has appointed a climate minister; Bahrain is targeting net zero by 2050; Kuwait has a new emissions plan.

Fossil fuels shipped abroad are not on the Saudi’s carbon ledger, owing to UN accounting rules, and the promised internal reduction in emissions is dependent on a heavy bet that unproven blue hydrogen and carbon capture technology will work.