find new coal resources in the earth clean up the litter in neighborhoods clean up the water pollution in local lakes walk or ride a bike instead of driving a car
What is one way to help slow down or stop the greenhouse effect?

Options:
- find new coal resources in the earth
- clean up the litter in neighborhoods
- clean up the water pollution in local lakes
- walk or ride a bike instead of driving a car

walk or ride a bike instead of driving a car