Research and development

The environment

The day after tomorrow

To Invent

Creativity

Direction

Set up companies

Access to water

Groundwater

Innovation

Inventions

The industry is advancing

Space

Trash, waste

Drips (irrigations)

Air Pollution

Running water

Seawater desalination

Water saving

Year of drought

Precipitation

Pure (ADJ)

Crisis

Irrigation

Recycling

Used water

Good drinking water

Earth

Contaminated water

Essential

Facilities

Pumping power

Explanation, publicity

Criminals