World leaders must ‘walk the walk’ at COP26 to prevent climate disaster, London mayor says

World leaders must ‘walk the walk’ at COP26 to prevent climate disaster, London mayor says

World leaders must "walk the walk" at the COP26 summit in Glasgow this November to avert a climate catastrophe, London Mayor Sadiq Khan told CNBC Thursday. Speaking to CNBC's "Squawk Box Europe," Khan warned that inaction and delay would have a disastrous impact on the environment, and called on delegates attending the summit later this year to make serious changes. "Unless there's bold action nationally and internationally, I worry about the catastrophic consequences, not just in sub-Saharan Africa, not just in countries in South Asia or the Antarctic, but in cities in America like New York, in Germany and in London, where this summer we've faced flash flooding and the consequences of heatwaves," he said. During Khan's tenure as mayor, London has seen the introduction of an Ultra Low Emission Zone, which charges vehicles that do not meet certain emissions standards for crossing its perimeters. Next month, the ULEZ is expanding to include more roads outside the city center. He has also introduced the £22 million ($30 million) Mayor's Air Quality Fund, which aims to support projects to improve air quality in the city. However, Khan told CNBC Thursday that regional and city leaders needed support from federal governments to