Let's solve this crossword:
Across:
4. F r 2: Airport
Down:
A sandy place on the coast: Beach
A small house made of wood, usually in the mountains or forest: Cabin
The state of being very poor: Poverty
The problem of air and water becoming dirty because of human activity: Pollution
The type of energy that comes from the sun: Solar
A form of transport that uses blades to fly: Helicopter
2 A LO 5 6: Log Cabin