Visa Barriers Threaten Participation of Vulnerable Nations in UN Climate Talks

Rebecca Stone, Science Editor
5 Min Read
⏱️ 4 min read

The ongoing Bonn Climate Change Conference, taking place from June 8 to June 18, 2026, faces significant challenges as several of the world’s most impoverished and climate-vulnerable nations struggle to secure visas for their delegates. This obstacle threatens their ability to engage effectively in critical discussions that shape global climate policy.

Visa Challenges for Vulnerable Nations

Representatives from countries such as Sudan, Yemen, Sierra Leone, Senegal, and The Gambia have reported severe difficulties in obtaining the necessary travel documents to attend this pivotal conference. These barriers come despite their pressing need to advocate for their interests on the global stage, particularly as they face the harsh realities of climate change with limited financial resources to adapt.

“The Sudan delegation expresses its deep concern and disappointment at the severe visa barriers faced by its representatives ahead of the Bonn Climate Change Conference,” stated Dalal Ebrahim, head of the climate adaptation department for Sudan. Ebrahim emphasised that a significant number of delegates, including the lead negotiator, have received refusals or have been unable to secure appointments at German embassies in their home countries.

Marwah Aref Ahmed Saleh, a climate negotiator for Yemen, echoed these sentiments, revealing her own struggles with the visa application process. Despite being sponsored for a German visa twice by the International Institute for Environment and Development (IIED), she has yet to gain approval, facing rejection based on claims that there are “reasonable doubts as to your intention to leave the territory of the Member States before the expiry of the visa.” Ultimately, only two members of Yemen’s delegation have managed to travel to Germany.

The Importance of Representation

The Bonn Climate Change Conference is an essential event in the international climate calendar, providing a platform for nearly 200 nations to discuss progress on the Paris Agreement. The outcomes of these discussions will have a significant impact on the upcoming COP31 conference scheduled for November in Anatolya, Turkey. However, the reduced delegation sizes from vulnerable nations could severely limit their influence on the negotiations.

Under normal circumstances, a larger delegation would allow countries to cover various negotiation tracks, technical discussions, and workshops concurrently. “When countries like Yemen are represented by only a handful of delegates, it becomes impossible to effectively cover all negotiation tracks,” Marwah lamented.

The consequences of this diminished representation are profound. Countries already facing the brunt of climate change impacts—such as Yemen, with its ongoing humanitarian crisis exacerbated by extreme weather—may find their voices silenced in critical discussions about climate adaptation and finance.

Government Response and Accountability

In response to the concerns raised by these nations, a spokesperson for the German Federal Foreign Office acknowledged the importance of participation from delegates of climate-affected countries. However, they reiterated that visa assessments are strictly governed by Schengen law and emphasised that decisions are based on available evidence regarding applicants’ intentions to return to their home countries.

Meanwhile, a representative from UN Climate Change stated that all accredited country representatives were entitled to participate as usual, but stressed that the final decision regarding visa issuance lies with the relevant host country authorities.

Binyam Gebreyes, an expert in climate diplomacy at IIED, asserted that the exclusion of negotiators from the Least Developed Countries (LDCs) from these talks sends a troubling message. “Physically excluding LDC negotiators from the Bonn talks gives the impression their contributions and experiences don’t matter to the rest of the world,” he warned.

Why it Matters

The inability of vulnerable nations to participate fully in the Bonn Climate Change Conference highlights a critical gap in global climate governance. With the voices of those most affected by climate change silenced, there is a risk that policies will not address the nuanced realities faced by these countries. This exclusion not only undermines the legitimacy of climate negotiations but also threatens the efficacy of global climate action, as inclusive dialogue is essential for developing effective and equitable solutions to the climate crisis.

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Rebecca Stone is a science editor with a background in molecular biology and a passion for science communication. After completing a PhD at Imperial College London, she pivoted to journalism and has spent 11 years making complex scientific research accessible to general audiences. She covers everything from space exploration to medical breakthroughs and climate science.
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