Remnants of tropical storm Imelda have caused serious flooding in eastern Texas, including parts of Houston, forcing evacuations, flight cancellations, school closures and causing some outages. Reports of other environmental disasters come from various parts of the world, as the United Nations General Assembly prepares to discuss climate change, which is linked to human activity such as pollution and gas-fueled transportation. Zlatica Hoke reports the Trump administration so far has shunned efforts to curb pollution, and there are no signs this will change.