3. ¿cómo podemos controlar la generación de tantos residuos?

For this case we can translate the given question as:

How can we control the generation of so much waste?

Then, we have that the generation of waste can be controlled through the awareness of us human beings.

We must think about the harmful damages that are done to the environment in the long term.

A control method that we can apply is that of the three "R"

Reduce

Re-use

Recycle

A control method that we can apply is that of the three "R"

Reduce

Re-use

Recycle