What is the environmental impact of train travel versus flying?

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Train travel has a significantly lower environmental impact compared to flying.

Train journeys emit approximately 10 times less carbon dioxide (CO2) per passenger than air travel. This substantial difference highlights rail's potential role in reducing the carbon footprint of long-distance travel as European countries aim to meet climate change commitments.
CO2 Emissions Comparison

A single trip by air generates roughly 10 times the amount of CO2 emissions as an equivalent journey by train. This fact underscores the environmental advantage of rail transport in the context of efforts to shift travelers away from aviation.
European Efforts to Promote Rail

The revival of night train services across Europe, such as the new Paris-Vienna route operated by Austria's OBB under the Nightjet brand, is seen as a symbolic move towards encouraging rail travel. These services offer alternatives to flying for both business travellers and tourists who are increasingly conscious of environmental issues.
Competition and Market Dynamics

Low-cost airlines were a significant factor in the decline of services like the Orient Express, and air travel remains the primary competitor for long-distance rail. While train tickets can be competitive if booked far in advance, their key differentiator is their environmental performance.
Expansion of Night Train Networks

Vienna has emerged as a central hub for night train services, with OBB investing in the segment since 2016. The Paris-Vienna route, covering 1,400 kilometers, operates three times weekly, with plans for further expansion, including services between Paris and Berlin, and eventually connecting Berlin, Brussels, Paris, and Vienna. Nightjet is also exploring routes such as Zurich to Barcelona, and the French government has expressed interest in night trains linking Paris to destinations like Barcelona, Copenhagen, Madrid, Rome, and Stockholm.

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What is the environmental impact of train travel versus flying?

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