Describe a 21st-century societal problem that has been solved by modern-day technology/way of thinking and or government policy related to S & T. Present using any material at home and hand draw a...

Describe a 21st-century societal problem that has been solved by modern-day technology/way of thinking and or government policy related to S & T.  Present using any material at home and hand draw a poster or an annotated diagram.
Provide a 100 to 150-word explanation of how and why it transformed the society.