and a vast network of oil refineries and petrochemical plants call the city home.St. Louis By the end of this century, temperatures are expected to have warmed close to eight degreesFahrenheitin Houston. In the summer, Houston willfeel something like “By the end of the century, Houston would see about three weeks of what we call off-the-charts heat conditions, which are when the combination of temperature and humidity falls above the national weather services heat index scale,” she said. “What that means is that we can’t even calculate a heat index to reliably warn people about how dangerous it is.”St. Louis she said she believes her arrest is a way for police to frighten people who are asserting their power.