Climate change is happening. The current global average temperature is already about 0.7-0.8 degree Celsius above the pre-industrial level. Even if greenhouse gas (GHG) concentrations had stabilized in the year 2000, temperatures are predicted to increase by 1.2 degrees Celsius above the pre-industrial level by the end of the 21st century.
Every winter the gates of Copenhagen's famous Tivoli Gardens, an old-world amusement park in the city centre, open to officially mark the beginning of the extended Christmas period. This December the twinkling lights of Tivoli will most likely be outshone by COP 15 — the most important global climate change meeting ever — as thousands of diplomats, politicians, business people, environmentalists, media and climate experts from around the globe flock to the Danish capital.
The shortcomings of GDP as a measure of economic and social wellbeing have been recognised for decades. Now the economic and environmental crises have created the political momentum for a radical revision of national accounting methods.
Cities and towns are highly vulnerable to the impacts of climate change and will need to find innovative ways to adapt. Now is the time to start rethinking urban design and management — yet few have taken concrete action.
Barcelona is becoming a leader in solar energy use, Malmö is developing a carbon neutral residential area and London is setting ambitious greenhouse gas reduction targets. Cities are joining in the fight against climate change.
'Our water is shut off once or twice a month, sometimes more,' says Baris Tekin from his apartment in Besiktas, an historic district of Istanbul, where he lives with his wife and daughter. 'We have about 50 litres of bottled water in the apartment for washing and cleaning, just in case. If the water is off for a really long time we go to my father's place or to my wife's parents,' says Baris, an economics professor at Marmara University.