Technology can simply be defined as the use of scientific knowledge for practical purposes or applications whether in industry or in our day to day lives.
Sustainable technology is the combination  of two complementary ideas. The first is technology that is is meant to remedy, improve, or offset carbonization, environmental setbacks, or problems. The second is technology that is produced using green or ecologically responsible materials or processes. Sustainable technology involves the innovations that bring about economic and social development. The aim of these technologies is reduce environmental and ecological risks and to make products that are green and eco friendly.


References
1. https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwiAsYbCj7qDAxWtQkEAHSu3CuUQFnoECBIQAw&url=https%3A%2F%2Fwww.hpe.com%2Fus%2Fen%2Fwhat-is%2Fsustainable-technology.html&usg=AOvVaw125G_IJv0KMIEbg3PQueDN&opi=89978449
2. https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiG4IKbs7qDAxXEQUEAHSaZDqUQFnoECBQQAw&url=https%3A%2F%2Fwww.ijsea.com%2Farchive%2Fvolume6%2Fissue9%2FIJSEA06091005.pdf&usg=AOvVaw0kGh7BJLix9KcExB2CjL31&opi=89978449