A boy pushes a wheelbarrow with canisters and his younger brother, on their way to collect water from a stagnant pool, about 3 kilometers (2 miles) from their home in Kamar Kalagh village outside Herat, Afghanistan, Friday, Nov. 26, 2021. Afghanistan's drought, its worst in decades, is now entering its second year, exacerbated by climate change. (AP Photo/Petros Giannakouris)