JACOBABAD: In Pakistan’s hottest city, access to fresh and filtered water is crucial in combating the relentless effects of climate change. However, an NGO warns that the vital supply is now at risk due to former US President Donald Trump’s foreign aid freeze. Jacobabad, where temperatures sometimes soar beyond 50 degrees Celsius (122 degrees Fahrenheit) during intensifying heatwaves, faces severe health crises, including dehydration and heat stroke. In 2012, USAID committed a $66 million grant to uplift Sindh’s municipal services, including the flagship renovation of a plant pumping and purifying…