| It's a pity that | es una lástima que | 
| What a mess! | qué lío | 
| aerosol | el aerosol | 
| air pollution | la contaminación del aire | 
| bottle | la botella | 
| can (container) | la lata | 
| cardboard | el cartón | 
| chemical | el químico | 
| climate | el clima | 
| complicated | complicado | 
| conservation land | las zonas de reserva ecológica | 
| damaging | dañino | 
| destruction | la destrucción | 
| diverse | diverso | 
| drought | la sequía | 
| ecosystem | el ecosistema | 
| effect | el efecto | 
| environment | el medio ambiente | 
| everywhere | por todas partes | 
| forest | el bosque | 
| fuel | el combustible | 
| glass | el vidrio | 
| height | la altura | 
| hill | la colina | 
| incredible | increíble | 
| it's bad that | es malo que | 
| it's better that | es mejor que | 
| it's dangerous that | es peligroso que | 
| it's good that | es bueno que | 
| it's important that | es importante que | 
| it's logical that | es lógico que | 
| it's necessary that | es necesario que | 
| it's possible that | es posible que | 
| it's probable that | es probable que | 
| it's rare that | es raro que | 
| it's ridiculous that | es ridículo que | 
| it's sad that | es triste que | 
| jungle, forest | la selva | 
| land | la tierra | 
| natural resources | los recursos naturales | 
| nature | la naturaleza | 
| oil spill | el derrame de petróleo | 
| ozone layer | la capa de ozono | 
| permission | el permiso | 
| planet | el planeta | 
| plastic | el plástico | 
| pollutant | el contaminante | 
| population | la población | 
| recycling program | el programa de reciclaje | 
| rock | la piedra | 
| sky | el cielo | 
| smog | el smog | 
| species | las especies | 
| to develop | desarrollar | 
| to discover | descubrir | 
| to institute | instituir | 
| to prohibit | prohibir | 
| to protect | proteger | 
| to reduce | reducir | 
| to respect | respetar | 
| to separate | separar | 
| to throw away | echar | 
| useless | inútil | 
| valley | el valle | 
| waste | el desperdicio | 
| wild animal life | la fauna silvestre | 
| wild plant life | la flora silvestre |