City
Case studies and Trends in action
The Observatory publishes, alongside its annual reports, a series of case studies and trends in action, of countries, cities and regions, at the crossroads of national policies and non-state actions, to provide a qualitative analysis of the evolution of greenhouse gas emissions.
City
Copenhague • To become the first carbon neutral city
In 2012, the city council adopted its climate plan, the CPH Climate Plan 2025. This plan, wh[...]
City
Calgary • An integrated, multi-level climate plan
Despite a decline since 2014, Calgary's emissions are 16.5% higher than in 2005 and reach 18.5 [...]
City
Accra • Towards carbon neutrality by 2050
Accra's GHG emissions were about 2.57 MtCO2 in 2015, or less than one tonne per capita, well below the [...]
Region
Hong Kong • Gasification of the electric mix
With the ambition to reduce its carbon intensity by 50% in 2020 compared to 2005, HK is tackling its[...]
Region
Québec • The Cap-and-Trade emissions allowances system at the heart of the strategy
The Canadian province of Quebec is now seeing its efforts in[...]
Global
Transport
Aviation • Efforts are still in the state of experimentation
This paper presents air transport's two major characteristics: a strong growth in em[...]
Global
Transport
Maritime • New initiatives in international maritime transport
Rapidly evolving over the past decade, international maritime transport contribute[...]
Global
Energy
Carbon capture and sequestration • A solution that is struggling to materialise
Carbon capture and sequestration (CCS) prevents the release of gr[...]
Global
Energy
Fugitive emissions • A blind spot in the fight against climate change
The category of fugitive emissions covers a vast number of poorly controlle[...]
Global
Transport
Rail • Greenhouse gas emissions: a decisive asset for rail?
Globally, rail is a mode of transport that does not emit much in the way of greenhous[...]
Country
Transport