The sun was slowly rising above the horizon, its rays reflecting off the glass facades of buildings covered with solar panels. The air was cleaner than ever, as most transport had long since switched to hydrogen and renewable electricity. I walk down a quiet street where autonomous vehicles quietly cruise the roads without traffic lights - all controlled by artificial intelligence that optimizes traffic and minimizes congestion.

Public transport is free and funded by taxes from big tech companies committed to investing in sustainable development. Cities no longer suffer from overheating because vertical gardens and green roofs grow between buildings. Even formerly uninhabitable neighbourhoods have been transformed into pleasant residential zones full of community centres and modern apartments with zero carbon footprints.

Think back to 2025, when the climate crisis was at its peak and many doubted whether humanity could change. But thanks to global agreements and advances in technology, the tide has turned - plastics are almost a thing of the past, recycling works efficiently and food is grown locally in high-tech farms right in cities.

I open my smart glasses and have my daily schedule projected. Artificial intelligence suggests where I'll have lunch, based on my health and my body's current needs. At work, I have a project to develop a new bioplastic that can decompose in nature in a few weeks.

The world isn't perfect, but it's definitely better. Most importantly, we now know that change is possible if we choose to make it.