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By Mayor of Barcelona and Vice-Chair of C40 Cities Ada Colau.

The recent report by the Intergovernmental Panel on Climate Change (IPCC) was abundantly clear — climate change is a dire threat to humanity. Ignoring the science or failing to take real action to combat this crisis is simply not an option. After all, we can already see that the climate crisis has arrived; it is not an abstract concept looming on the horizon. In Barcelona, my hometown, we have already declared a climate emergency.

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On behalf of C40 Cities, I would like to thank the Intergovernmental Panel on Climate Change for its Working Group 1, 6th assessment report, which sets the gold standard for climate science.

The findings of this report are stark, but the science is clear: every fraction of global heating matters, and keeping global temperature rise under 1.5°C is still within reach if we act quickly and decisively. That makes this the single most important decade in human history -- one that will define and determine whether life sustains as we know it. That means taking urgent action to halve global emissions by 2030, a feat that can’t be accomplished unless we come together to deliver a Global Green New Deal.

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Proper investment in mass transit is absolutely vital to a green and just recovery from the pandemic, providing millions of good green jobs, cutting carbon emissions and improving equity in cities. Now is the time to be accelerating investment in public transport.

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