Karachi, Pakistan, is one of the hottest cities on Earth. In June 2015, more than 1,000 people died there during a heatwave(持续高温天气)." It was so 1 !" said Shahzad Qureshi, a local person." We need to do something about it!"
After the heatwave, Qureshi 2 . He set up an organization named Urban Forest to plant native trees in Karachi. Trees help 3 the air by providing shade and releasing moisture(水分) through their leaves. According to the U. S. Environmental Protection Agency, trees can help lower summer temperatures in cities by 1 to 5℃.
For its first project, Urban Forest planted 1,300 trees in a local 4 . The group used a special way that helped the trees grow 5 . In just three years, the trees were nine meters tall. Qureshi 6 that one day, the park will become a forest of 50,000 trees.
Qureshi and his team have now helped cool the air in Karachi by planting 12 forests in the city. The trees also provide a 7 for all kinds of animals and food for the local people. And they create a shady and 8 place for people.
In 2017, Qureshi helped to plant a forest at Karachi Grammar School." The students were excited about the 9 ," said Muneeza Shaikhali, the school's headteacher." They themselves have been experiencing the high temperatures during the summer months."
The trees attract birds and colorful butterflies. Students go outside during science class to study the 10 ." It's like a library of native trees for the kids," says Qureshi." It's really a wonderful thing to see."