The world is working to unlock the solutions to the climate crisis, but without good data, even the most impactful ideas can't take hold. Google's Environmental Insights Explorer is an online tool built to empower cities with data to take informed action, making it easier for cities to measure, plan, and reduce the world's carbon emissions. Dublin City Council used Environmental Insights Explorer to implement smart transport policies to improve cycling infrastructure and track their efforts for sustainable modes of transport. Environmental Insights Explorer showed Mexico City its building emissions and the potential to generate over 4 MW of renewable energy from rooftop solar. And in Melbourne, Australia, it highlighted the solar potential to power the entire city. Google's Environmental Insights Explorer, helping create a healthier, cleaner future for citizens around the world.