| A | B |
| el aluminio | the aluminum |
| el basurero | the trash can |
| la botella | the bottle |
| el cartón | the cardboard |
| el combustible | the fuel |
| la lata | the can |
| el químico | the chemical |
| el vidrio | the glass |
| el medio ambiente | the environment |
| el calentamiento del planeta | the global warming |
| la ecología | the ecology |
| los ecologistas | the ecologists |
| a todos nos toca | It's everyone's responsibility |
| la capa de ozono | the ozone layer |
| la contaminación | the contamination/pollution |
| contaminar | to contaminate/to pollute |
| la destrucción | the destruction |
| el terremoto | the earthquake |
| echar | to throw |
| los efectos | the effects |
| increíble | incredible |
| inútil | useless |
| útil | useful |
| mantener limpio/a | too keep clean |
| el planeta | the planet |
| la pobreza | the poverty |
| el problema | the problem |
| proteger las especies | to protect the species |
| ¡Qué lío! | What a mess! |
| el reciclaje | recycling |
| reciclaje selectivo de basuras | selective recycling of garbage |
| el contenedor de vidrio | the glass container |
| el contenedor de cartón | the cardboard container |
| el contenedor de papel | the paper container |
| residuos orgánicos | organic waste |
| residuos inorgánicos | inorganic waste |
| reciclar | to recycle |
| los recursos naturales | the natural resources |
| reducir | to reduce |
| separar | to separate |
| el ser humano | the human being |
| el smog | the smog (toxic fog) |
| Lo malo es que... | the bad thing is that... |
| resolver | to resolve |
| la situación | the situation |
| Es necesario (+infinitive) | It's necessary to... |
| Es importante (+infinitive) | It's important to... |
| Debemos (+infinitive) | We must... |
| Hay que (+infinitive) | we have to... |
| Tenemos que (+infinitive) | we have to... |
| en peligro de extinción | in danger of extintion |