Cities are already up to 10C hotter than surrounding areas. As temperatures rise, here are four ways to cool cities down – saving both lives and energy If you’ve felt uncomfortably hot in a city this summer, chances are it’s not just because of the weather. Look around any urban centre and you’ll see the built environment itself exacerbates summer temperatures. Vehicles stuck in traffic emitting heat. Airconditioners pumping waste heat into the air. Concrete and asphalt across almost every surface, absorbing and radiating the sun’s rays. Urban canyons formed between tall buildings, trapping heat at the street level. In the US heatwaves kill more people on average than any other natural disaster
With the United States pulling out of the Paris Agreement in 2017, Former UN Secretary-General Ban Ki-Moon warned that there may be difficulty in mobilizing the funds necessary to effect climate change issues.
AT&T and Verizon are experimenting with drones to bring back phone service following natural disasters. AT&T used one of its drones in Puerto Rico after Hurricane Maria wiped out over 90 percent of the region's cell sites. Verizon is still testing its cellular drones, but says that they are ready to be deployed this hurricane season.