Decarbonization in the Maritime Sector

Greenhouse gases (GHG): Carbon Dioxide (CO2), Methane (CH4), Nitrous Oxide (N2O), Hydrofluorocarbons (HFCs), Perfluorocarbons (PFCs) and Sulfur Hexafluoride (SF6).


Decarbonization of the maritime sector consists of reducing the carbon intensity of international shipping, i.e. reducing CO2 emissions per transport job, on average for all shipping, by at least 40% from 2020 to 2030 compared to 2008 levels, and continuing efforts towards 70% by 2050 compared to 2008 levels and reducing total annual greenhouse gas emissions by at least 50% from 2020 to 2050 compared to 2008 levels.

The Strategy includes a specific reference to a carbon dioxide emissions reduction trajectory consistent with the temperature targets of the Paris Agreement.

It is worth mentioning that The Paris Agreement on climate change was agreed in 2015 by the Parties to the United Nations Framework Convention on Climate Change (UNFCCC) and entered into force in 2016. The main objective of the Paris Agreement is to strengthen the global response to the threat of climate change by limiting the global temperature increase to well below 2°C above pre-industrial levels and to pursue efforts to limit that temperature increase to 1.5°C above pre-industrial levels.

Although shipping was not included in the final text of the Paris Agreement, IMO has, on its own initiative, established a long-term mandate to contribute to the fight against climate change by addressing greenhouse gas emissions from ships.

Considering the following measures and strategies to be pursued:
1. pursuing the development and provision of non-fossil or zero carbon fuels to enable the shipping industry to assess and examine the possibility of decarbonization in the second half of the century.
2. Encourage and facilitate the widespread adoption of other potential new or innovative mechanisms to reduce these emissions.

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