In scientific usage, a phenomenon is any event that is observable, however common it might be, even if it requires the use of instrumentation to observe, record, or compile data concerning it. In natural sciences, a phenomenon is an observable happening or event.

Phenomena

Fenómenos naturales

Physical Phenomena

Fenómenos físicos 

Energy

Energía

Evapotranspiration

Evapotranspiración

Did you know that Florida receives the most lightning in the United States each year? People who work outdoors, such as farmworkers, are at risk for lightning-related injuries.

Lightning

Compaction

Compactación

Eutrophication is the excessive enrichment of surface waters with plant nutrients, primarily N and P. [<a href="http://aims.fao.org/aos/agrovoc/c_2734">AGROVOC</a>]

Eutrophication

Eutrofización

The discharge of greenhouse gases, such as carbon dioxide, methane, nitrous oxide and various halogenated hydrocarbons, into the atmosphere. Combustion of fossil fuels, agricultural activities and industrial processes contribute to the emissions of greenhouse gases. [<a href="https://lod.nal.usda.gov/nalt/137757">NALT</a>] [<a href="http://aims.fao.org/aos/agrovoc/c_36198c2c">AGROVOC</a>]

Greenhouse Gas Emissions

Emisiones de efecto invernadero

An oil spill is the release of a liquid petroleum hydrocarbon into the coastal or marine environment due to human activity. [AGROVOC]

Fenómenos físicos

Narrower Topics

Compactación

Derrames de petróleo en el mar

Emisiones de efecto invernadero

Energía

Eutrofización

Evapotranspiración

Lightning

Fenómenos físicos

Narrower Topics

4-H Electricity

Compactación

Derrames de petróleo en el mar

Emisiones de efecto invernadero

Energía

Eutrofización

Evapotranspiración

Lightning