The city of Barcelona, known for its rich history and culture, has seen a significant increase in sponsorship revenue this year, with a rise of 12%. This growth is attributed to the city's ongoing efforts towards sustainability and eco-friendliness.

In recent years, Barcelona has been at the forefront of promoting sustainable practices and green initiatives, which have not only benefited the local environment but also contributed to the city's reputation as a hub for innovation and creativity. As such, many companies have recognized the potential of Barcelona's sustainable development strategies and have started investing in its tourism industry.

One notable example of this trend is the "Sustainable Barcelona" campaign launched by the city government. The initiative aims to promote sustainable practices among tourists and residents alike, including the use of public transport, reducing waste, and supporting local businesses. In response, many companies have joined forces with the city government to spread awareness about these initiatives and to support the campaign's goals.

Another example of this trend is the "Green Week" event, which was held in Barcelona in May 2020. This event aimed to highlight the city's commitment to sustainability and encourage citizens to take action on environmental issues. The event featured talks from experts on topics such as renewable energy, climate change, and waste reduction, all of which were presented in a way that was accessible and engaging to a diverse audience.

Overall, the sponsorship revenue increase in Barcelona can be attributed to several factors, including the city's ongoing efforts towards sustainability and eco-friendliness, as well as the city's growing interest in sustainable practices among tourists and residents. With continued investment and support from the city government, it is likely that we will see even more significant increases in sponsorship revenue in the future.