Ecotourism is a form of responsible travel that focuses on [...]

Sustainability is the pursuit of a harmonious relationship between human [...]

Recycling is a process in which discarded materials, such as [...]

Legality refers to the compliance with laws and regulations established [...]

Ecologism is a political ideology centered on environmental concerns and [...]

Non-renewable energy comes from sources that deplete over time and [...]

Renewable energy is obtained from natural sources that are constantly [...]

The horizon is the line we see where the sky [...]

Hail is a meteorological phenomenon that involves the formation of [...]