Nature and EnvironmentHouston flooding: wake-up call for politicians02:07This browser does not support the video element.Nature and EnvironmentSonya Angelica Diehn08/31/2017August 31, 2017The devastation of the flooding in Houston cannot be fully measured, says DW's Sonya Angelica Diehn. But it should work as a wake-up call for politicians to act on climate change - especially to US President Donald Trump.Copy linkAdvertisement