Is Nairobi developing fast to its destruction? The Economist Intelligence Unit (EUI) study  revealed Nairobi will be one of the fastest growing cities in the world by 2016. The EUI study ranked Nairobi, 50th position in the battle of the world’s largest cities based on quality of human capital. Johannesburg was 53rd in this category while Tokyo and Beijing trailed in the 56th position. Recently, the green city in the sun was ranked by MasterCard Global Destination Cities Index as 4th most popular city in Africa. And now Nairobi positions itself third to Cape Town, South Africa and Accra, Ghana as best city in Africa to live in.

Listening to climate scientists you will shed tears about Nairobi. The conversation on “climate departure” as a way of measuring  climate change will really change things in global cities. Climate departure will happen when average temperatures of a city become so impacted by climate change that the old climate is overtaken by new climate. Nairobi in Africa is among many cities that are projected to hit it very soon, by 2036.

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Courtesy of Leonard Bernstein and Gene Thorp/The Washington Post

The scientific journal Nature graphics’ indicates that dark red dots cities are to hit climate departure by tomorrow. Nairobi, a city of nearly 4.5 million people will experience the climate departure point by 2036. Thereafter, the city’s coldest year will still be hotter than any year from before 2005. Put another way, every single year after 2036 will be hotter than Nairobi’s hottest year on record from 1860 to 2005. It comes second to Lagos in Africa which has got only 16 years before it hits climate departure.

The half-full glass story is where cities mitigate climate change effect and prolong the global “climate departure” from 2047 to 2069. Twelve more years to experience old climate. Nairobi will then hit “climate departure” by 2058. Although it will still place Nairobi third behind Lagos and Pretoria.

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Courtesy of Leonard Bernstein and Gene Thorp/The Washington Post

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