A way to prevent cancer is
One way to stop drug trafficking is
An option not to have poverty is
The best option to prevent famine is
The best ways to avoid global warming are
One way to reduce overpopulation is
to force people have only one kid.
to educate people about health.
to teach vocational programs.
to teach people how to farm.
to have more police officers in the street.
to recycle and reuse wasted materials.