Nearly half of D.C.’s outdoor pools will stay open later during the heat emergency this weekend.

(Photo by SweetJen34) District residents should expect more dangerous heatwaves, severe storms, and flooding in the coming years, according to the city’s plan to address climate change released today. And people in Wards 7 and 8 will be the most vulnerable to the hostile effects of a changing climate. D.C. currently experiences around 11 heat emergency days per year, which could almost double to 20 days by 2020 and spike up to 75 days…