| A | B |
| las alternativas | alternatives |
| la calidad del aire | air quality |
| la calidad del agua | water quality |
| los combustibles | fuels |
| el crimen | crime |
| la drogadicción | drug addiction |
| la enfermedad | disease |
| la fusión nuclear | nuclear fusion |
| el hambre | hunger |
| el medio ambiente | environment |
| los pesticidas | pesticides |
| los programas de | the programs for |
| el basurero | garbage can |
| el carro eléctrico | electric car |
| el carro híbrido | hybrid car |
| la contaminación | pollution/contamination |
| el desempleo | unemployment |
| la energía solar | solar energy |
| las fuentes de energía | sources of energy |
| el futuro | future |
| la ley | law |
| la ley en contra | law against |
| la ley a favor de | law in favor of |
| los recursos naturales | natural resources |
| cometer un crimen | to commit a crime |
| cometer un error | to make a mistake |
| reciclar | to recycle |
| desarrollar | to develop |
| conservar | to conserve |
| crecer | to grow |
| sembrar | to plant |
| desperdiciar | to waste |
| biológico(a) | organic |
| de cultivo biológico | organic products |
| renovable | renewable |
| no renovable | non-renewable |
| contaminado(a) | contaminated |
| innovador(a) | innovative |
| A que no va a bajar a la tasa de | I bet that the rate of... won't go down. |
| Calculo que van a implementar... | I predict that they are going to implement... |
| Es muy posible que el trafico aumente con... | It's quite possible that traffic will increase with... |
| Se advierte que... | They advise that... |
| Te apuesto que... | I bet you that... |
| Ya verás que van a promover... | You will see that they're going to promote... |
| Es de suponer que... | I suppose that... |
| Supongo que sí. | I suppose so. |
| Me imagino que para el año ... habrá ... | I imagine that by the year... there will be... |
| A lo mejor habrá... | Maybe there will be... |