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Oosterschelde flood barrier with windmills in the Netherlands at the Northern Sea taken from above with a drone

Coastal cities have added 2500 squares kilometres of land since 2000

21 February 2023

An analysis of satellite images taken since the year 2000 found that hundreds of the most populous coastal cities have added land, which is now vulnerable to sea level rise


Trees help to ease the “urban heat island effect”, which sees temperatures in cities climb higher than in nearby rural areas

Doubling trees in European cities could prevent thousands of deaths

31 January 2023

A modelling study of 93 European cities suggests that more than 2600 human heat-related deaths over just three months could have been prevented if these places increased their average tree coverage from 15 per cent to 30 per cent


Aerial view of Central Park, New York City

Global warming could kill many of the tree species that cool cities

19 September 2022

Around three-quarters of the tree and shrub species currently grown in cities worldwide are predicted to be at risk from hotter and drier conditions by 2050


Tractors and lorries in the flooded streets of Bangalore

Bangalore floods highlight how cities must adapt to climate change

13 September 2022

Exceptionally heavy monsoon rains have been exacerbated by poor urban planning in the Indian tech hub, showing the need for improved water systems


(c) Jussi Hellsten www.jussihellsten.com www.instagram.com/jussihellsten Kalasatama area from above, 2019

The Helsinki neighbourhood leading the way to zero-carbon cities

8 April 2022

Kalasatama, a former cargo port in Finland’s capital, is acting as a test bed for new ideas that could help the city reach a goal of becoming carbon-neutral by 2030


City skyline view of London, England with autumn trees on a misty morning as viewed from a North London park; Shutterstock ID 506890648; purchase_order: -; job: -; client: -; other: -

Trees cool the land surface temperature of cities by up to 12°C

23 November 2021

An analysis of satellite data from 293 cities in Europe has found that trees have a big cooling effect while other green spaces don't


Riyadh, Saudi Arabia

People in cities have faced huge increase in heat exposure since 1983

4 October 2021

The world’s city dwellers collectively experienced 119 billion days above 30°C in 2016 – an almost 200 per cent increase on the equivalent 1983 figure of 40 billion days


Anu Ramaswami interview: How to shape the cities of the future

Anu Ramaswami interview: How to shape the cities of the future

9 June 2021

Urban populations are exploding. If we want future cities to be more sustainable, we need to think of them as complex, dynamic systems with their own metabolism, says Anu Ramaswami


Tokyo

Cities like London and Tokyo have their own unique microbiomes

27 May 2021

Cities including Tokyo, New York, London, Rio de Janeiro and Singapore have their own distinct microbiomes, according to a vast survey of microbes in 60 urban areas worldwide


Sydney

Sydney’s inland suburbs are 10°C warmer than the coast in heat waves

2 April 2021

Large-scale weather patterns and urban overheating make Sydney’s inland suburbs up to 10°C warmer than coastal areas during extreme heat events


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