The article by María Elorza Saralegui and Helena Rodríguez discusses the challenges facing European rail travel, despite common misconceptions that trains are more expensive than planes. A study by the International Union of Railways suggests significant savings when choosing trains over planes. The authors identify three main issues: a fragmented railway network driven by national interests, a historical lack of cross-border coordination, and inefficient and sometimes unfair investments. The European Railway Agency (ERA) and the Community of European Railways and Infrastructure Companies (CER) provide insights into the complexities of the current system, including the separation of infrastructure and operators, technical standardization issues, and the digital challenges of ticket purchasing. The article also touches on EU efforts to improve rail infrastructure and the anticipation of tax reforms that could level the playing field between rail and air travel. Greenpeace's stance on customer rights and the potential environmental benefits of shifting to rail are also discussed.

The article discusses the impact of climate change on cultural heritage, focusing on the Rubjerg Knude lighthouse in Denmark. The lighthouse, which was recently moved inland to protect it from coastal erosion, serves as a case study for the broader issue of heritage sites threatened by sea level rise. Lars Krants, a senior curator at Moesgaard Museum, expresses skepticism about moving landmarks as a means of preservation, suggesting it can detract from their authenticity. The article explores the tension between the desire to preserve cultural heritage and the inevitability of change and loss due to natural processes and climate change. It also touches on the legal and financial challenges of archaeological investigation and preservation in Denmark. Anthropologist David Harvey adds perspective on the value of heritage sites, suggesting that their vulnerability can enhance their appeal and that learning to accept loss can be a positive human attribute.

The article discusses the challenges of biodiversity preservation in Denmark, particularly in the national park of Mols Bjerge. Despite Denmark's rich biodiversity, the country is not meeting the EU's biodiversity targets. The national park, mostly privately-owned, does not add additional protections to the land. The Danish government has taken steps to address biodiversity loss, but the effectiveness of national parks in halting the decline is questioned. The article highlights the need for stricter legal protections and nature restoration. It also covers the efforts to engage with private landowners for conservation purposes and the potential impact of new 'nature national parks' being initiated by the Social Democratic government. The upcoming UN Convention on Biological Diversity's COP 15 is mentioned as a significant event for global biodiversity commitments.