The year 2015 was marked by significant global events and advancements. One of the most notable occurrences was the signing of the Paris Agreement, where countries came together to combat climate change and limit global warming. This agreement aimed to unite nations in their efforts to reduce greenhouse gas emissions and promote sustainable practices. In the world of technology, 2015 saw the rise of smartphones and social media, which continued to shape how people communicate and access information. The popularity of platforms like Instagram and Snapchat grew, influencing trends and connecting millions of users worldwide. Overall, 2015 was a year of collaboration and innovation.